GB1196769A – Method and Apparatus for Ultrasonically Bonding Sheet Materials.
– Google Patents
GB1196769A – Method and Apparatus for Ultrasonically Bonding Sheet Materials.
– Google Patents
Method and Apparatus for Ultrasonically Bonding Sheet Materials.
Info
Publication number
GB1196769A
GB1196769A
GB42064/67A
GB4206467A
GB1196769A
GB 1196769 A
GB1196769 A
GB 1196769A
GB 42064/67 A
GB42064/67 A
GB 42064/67A
GB 4206467 A
GB4206467 A
GB 4206467A
GB 1196769 A
GB1196769 A
GB 1196769A
Authority
GB
United Kingdom
Prior art keywords
pieces
arm
plates
tool
lever
Prior art date
1966-09-19
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB42064/67A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Union Special Machine Co
Original Assignee
Union Special Machine Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
1966-09-19
Filing date
1967-09-15
Publication date
1970-07-01
1967-09-15
Application filed by Union Special Machine Co
filed
Critical
Union Special Machine Co
1970-07-01
Publication of GB1196769A
publication
Critical
patent/GB1196769A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C66/00—General aspects of processes or apparatus for joining preformed parts
B29C66/01—General aspects dealing with the joint area or with the area to be joined
B29C66/05—Particular design of joint configurations
B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
B29C66/112—Single lapped joints
B29C66/1122—Single lap to lap joints, i.e. overlap joints
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
B29C65/081—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations having a component of vibration not perpendicular to the welding surface
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
B29C65/7858—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
B29C65/7861—In-line machines, i.e. feeding, joining and discharging are in one production line
B29C65/787—In-line machines, i.e. feeding, joining and discharging are in one production line using conveyor belts or conveyor chains
B29C65/7873—In-line machines, i.e. feeding, joining and discharging are in one production line using conveyor belts or conveyor chains using cooperating conveyor belts or cooperating conveyor chains
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C66/00—General aspects of processes or apparatus for joining preformed parts
B29C66/004—Preventing sticking together, e.g. of some areas of the parts to be joined
B29C66/0042—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined
B29C66/0044—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined using a separating sheet, e.g. fixed on the joining tool
B29C66/00441—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined using a separating sheet, e.g. fixed on the joining tool movable, e.g. mounted on reels
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C66/00—General aspects of processes or apparatus for joining preformed parts
B29C66/01—General aspects dealing with the joint area or with the area to be joined
B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C66/00—General aspects of processes or apparatus for joining preformed parts
B29C66/01—General aspects dealing with the joint area or with the area to be joined
B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
B29C66/022—Mechanical pre-treatments, e.g. reshaping
B29C66/0222—Mechanical pre-treatments, e.g. reshaping without removal of material, e.g. cleaning by air blowing or using brushes
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C66/00—General aspects of processes or apparatus for joining preformed parts
B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
B29C66/43—Joining a relatively small portion of the surface of said articles
B29C66/431—Joining the articles to themselves
B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C66/00—General aspects of processes or apparatus for joining preformed parts
B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
B29C66/737—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
B29C66/7373—Joining soiled or oxidised materials
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C66/00—General aspects of processes or apparatus for joining preformed parts
B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C66/00—General aspects of processes or apparatus for joining preformed parts
B29C66/80—General aspects of machine operations or constructions and parts thereof
B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
B29C66/81421—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
B29C66/81422—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being convex
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C66/00—General aspects of processes or apparatus for joining preformed parts
B29C66/80—General aspects of machine operations or constructions and parts thereof
B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
B29C66/8161—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps said pressing elements being supported or backed-up by springs or by resilient material
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C66/00—General aspects of processes or apparatus for joining preformed parts
B29C66/80—General aspects of machine operations or constructions and parts thereof
B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
B29C66/83421—Roller, cylinder or drum types; Band or belt types; Ball types band or belt types
B29C66/83423—Roller, cylinder or drum types; Band or belt types; Ball types band or belt types cooperating bands or belts
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C66/00—General aspects of processes or apparatus for joining preformed parts
B29C66/80—General aspects of machine operations or constructions and parts thereof
B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
B—PERFORMING OPERATIONS; TRANSPORTING
B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
B65B51/10—Applying or generating heat or pressure or combinations thereof
B65B51/22—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding
B65B51/225—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding by ultrasonic welding
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C66/00—General aspects of processes or apparatus for joining preformed parts
B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
B29L2031/00—Other particular articles
B29L2031/712—Containers; Packaging elements or accessories, Packages
B29L2031/7128—Bags, sacks, sachets
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S220/00—Receptacles
Y10S220/31—Sonic seal
Abstract
1,196,769. Sealing bags. UNION SPECIAL MACHINE CO. 15 Sept., 1967 [19 Sept., 1966], No. 42064/67. Heading B8C. [Also in Division B5] Pieces 15, 16 of sheet material are ultrasonically bonded by advancing the pieces 15, 16 along a feed path 20 in contiguous facing relationship with each other, locating the pieces 15, 16 between a pair of movable dielectric members 68, 69, leading the members 68, 69 along the path 20 at a rate which is less than the rate of movement of the pieces 15, 16 therebetween to a vibratory tool 80, and vibrating the tool 80 at a predetermined frequency to transmit vibratory energy through the members 68, 69 to form a bulge-type seal between the pieces 15, 16. As shown, the pieces 15, 16 comprise the open upper ends of a filled polyethylene bag 17 supported on a conveyer 18. The pieces 15, 16 pass between adjacent runs 36, 37 of driven endless belts 22, 23 urged together by springs 28, 35 acting on guide pulleys 25, 26 and 30, 31 therefor. The belts 22, 23 may be inclined at a slight angle to each other, Fig. 10 (not shown). Plates 58, 59 biased towards each other by springs 60 act on the runs 36, 37 to squeeze the pieces 15, 16. Whilst moving between the plates 58, 59, cleaning fluid is applied to the inner faces of the pieces 15, 16 at a station 65. The members 68, 69 comprise tapes of polytetrafluoroethylene, polyethylene terephthalate or fibre glass impregnated with polytetrafluoroethylene provided with smooth inner surfaces and supported by supply reels 70, 72 and storage reels 71, 73 at a short distance above the runs 36, 37. The reels 71, 73 continuously drive the tapes 68, 69 in the same direction as that of the movement of the pieces 15, 16 but at a considerably slower speed. The tool 80 comprises a horn 81 vibrated ultrasonically by a transducer 82 supplied with A.C. from a controller 84 and an amplifier 87 on an anvil 90 urged towards the horn 81 by a spring 92. During sealing the tapes 68, 69 prevent heat loss so that the outer surfaces of the pieces become soft and form continuous bulges (100) (101), Fig. 4 (not shown), along the seal. The tapes also prevent adhesion of the pieces 15, 16 to the tool 80. The anvil 90 may be inclined at a slight angle with respect to the horn 81 Fig. 8 (not shown). After sealing, plates 95, 96 engages the pieces 15, 16 immediately above the seal and then plates 97, 98 urged together by springs 99 hold the pieces 15, 16 together immediately beneath the seal as it cools. The sealed bag is discharged from the apparatus. At the station 65, Fig. 5, as the forward portion of each bag 17 slides under a transverse arm 110 on a bell-crank 107 pivotally supported on a shaft 105 the arm 110 exerts pressure on upper edges of the pieces 15, 16 to separate them to form a gap 147. The engagement between the pieces 15, 16 and the arm 110 rocks the bellcrank lever 107 slightly against the action of a spring 113 to cause an arm 112 to actuate a trigger (115), Figs. 2 and 6 (both not shown), to close a switch (116) which energizes a solenoid (118) to open a valve (120) to supply a measured quantity of a wetting fluid from a tank (123) to a nozzle 125, Fig. 5, into the gap 147. The wetting fluid may comprise a mixture of water and alcohol or a solution of water and detergent. When the pieces 15, 16 reach a fulcrum lever 127 pivotally mounted on a shaft 106, a ball (132), Fig. 6 (not shown), on the lower end of a lever arm 130, Fig. 5, forms a longitudinally extending pocket between the pieces 15, 16 and wires (144), 145 (see also Fig. 7, not shown), on plates 140, 141, guide the pieces into contact again with the wetting fluid retained therebetween. At the sealing station, the oscillations of the tool 80 also clean the contacting faces of the pieces 15, 16 in the vicinity of the wetting fluid. In another embodiment, Figs. 9 and 10 (both not shown), the cleaning fluid is applied to the facing surfaces of the pieces (15), (16) using an air jet. Upon engagement of the bight (158) of a U-shaped arm (163) of a fulcrum lever (160) on a shaft (161) with the forward edge of the bag (17) the lever (160) pivots slightly against a spring (167) to actuate a valve (157). Air under pressure is supplied to a nozzle (150) and directed against the inner faces of the pieces (15), (16). The movement of air through the nozzle (150) sucks cleaning fluid from a reservoir (155) and it is discharged as a finely atomized spray.
GB42064/67A
1966-09-19
1967-09-15
Method and Apparatus for Ultrasonically Bonding Sheet Materials.
Expired
GB1196769A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US58052966A
1966-09-19
1966-09-19
Publications (1)
Publication Number
Publication Date
GB1196769A
true
GB1196769A
(en)
1970-07-01
Family
ID=24321470
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB42064/67A
Expired
GB1196769A
(en)
1966-09-19
1967-09-15
Method and Apparatus for Ultrasonically Bonding Sheet Materials.
Country Status (3)
Country
Link
US
(1)
US3505136A
(en)
DK
(1)
DK124808B
(en)
GB
(1)
GB1196769A
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE3829307A1
(en)
*
1988-08-30
1990-03-08
4 P Nicolaus Kempten Gmbh
METHOD AND DEVICE FOR WELDING PLASTIC SURFACES
Families Citing this family (39)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3655488A
(en)
*
1967-07-17
1972-04-11
Bondit Corp
Apparatus for joining sheet material
US3823438A
(en)
*
1972-02-03
1974-07-16
Whitehall Machinery Ltd
Apparatus for handling sacks
US4072089A
(en)
*
1976-05-26
1978-02-07
Ex-Cell-O Corporation
Two station sonic sealing apparatus and method
US4256529A
(en)
*
1976-10-29
1981-03-17
Cavitron Corporation
Ultrasonic apparatus for manufacturing brassiere tapes
US4279675A
(en)
*
1977-03-22
1981-07-21
Ex-Cell-O Corporation
Method and apparatus for packaging
DE2817291C3
(en)
*
1978-04-20
1980-11-13
Shinjiro Urawa Saitama Izumi (Japan)
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Title
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1947-08-08
1950-12-15
Process for the continuous production, by calendering or rolling, of elements or panels of fibrous material containing a binder of synthetic or natural resins, apparatus for carrying out this process and resulting products
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Apparatus for sealing polymeric sheet material by ultrasonic energy
1966
1966-09-19
US
US580529A
patent/US3505136A/en
not_active
Expired – Lifetime
1967
1967-09-15
GB
GB42064/67A
patent/GB1196769A/en
not_active
Expired
1967-09-18
DK
DK465967AA
patent/DK124808B/en
unknown
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Priority date
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Assignee
Title
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(en)
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1988-08-30
1990-03-08
4 P Nicolaus Kempten Gmbh
METHOD AND DEVICE FOR WELDING PLASTIC SURFACES
Also Published As
Publication number
Publication date
DK124808B
(en)
1972-11-27
US3505136A
(en)
1970-04-07
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Legal Events
Date
Code
Title
Description
1970-11-11
PS
Patent sealed [section 19, patents act 1949]
1976-04-14
PLNP
Patent lapsed through nonpayment of renewal fees
