GB1516540A – Method and apparatus for the continuous manufacture of plastics bags provided with connection nipples and a plastics bag thus manufactured
– Google Patents
GB1516540A – Method and apparatus for the continuous manufacture of plastics bags provided with connection nipples and a plastics bag thus manufactured
– Google Patents
Method and apparatus for the continuous manufacture of plastics bags provided with connection nipples and a plastics bag thus manufactured
Info
Publication number
GB1516540A
GB1516540A
GB2524076A
GB2524076A
GB1516540A
GB 1516540 A
GB1516540 A
GB 1516540A
GB 2524076 A
GB2524076 A
GB 2524076A
GB 2524076 A
GB2524076 A
GB 2524076A
GB 1516540 A
GB1516540 A
GB 1516540A
Authority
GB
United Kingdom
Prior art keywords
plastics
bag
manufactured
nipples
continuous manufacture
Prior art date
1975-07-14
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
GB2524076A
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.)
VERSTEEGE A
Original Assignee
VERSTEEGE A
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.)
1975-07-14
Filing date
1976-06-17
Publication date
1978-07-05
1976-06-17
Application filed by VERSTEEGE A
filed
Critical
VERSTEEGE A
1978-07-05
Publication of GB1516540A
publication
Critical
patent/GB1516540A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
210000002445
nipple
Anatomy
0.000
title
abstract
6
229920003023
plastic
Polymers
0.000
title
abstract
3
239000004033
plastic
Substances
0.000
title
abstract
3
238000004519
manufacturing process
Methods
0.000
title
1
238000000034
method
Methods
0.000
title
1
239000000463
material
Substances
0.000
abstract
1
239000012528
membrane
Substances
0.000
abstract
1
238000007789
sealing
Methods
0.000
abstract
1
Classifications
A—HUMAN NECESSITIES
A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
A61J1/05—Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
A61J1/10—Bag-type containers
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
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
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
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
B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
B29C66/474—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat
B29C66/4742—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat said single elements being spouts
B29C66/47421—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat said single elements being spouts said spouts comprising flanges
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
B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
B29C66/53—Joining single elements to tubular articles, hollow articles or bars
B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
B29C66/5326—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially flat
B29C66/53261—Enclosing tubular articles between substantially flat elements
B29C66/53262—Enclosing spouts between the walls of bags, e.g. of medical 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
B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
B29C66/63—Internally supporting the article during joining
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
B29C66/83411—Roller, cylinder or drum types
B29C66/83413—Roller, cylinder or drum types cooperating rollers, cylinders or drums
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
B29C2793/00—Shaping techniques involving a cutting or machining operation
B29C2793/0045—Perforating
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
B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
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
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
B29C66/114—Single butt 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
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
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
B29C66/832—Reciprocating joining or pressing tools
B29C66/8322—Joining or pressing tools reciprocating along one axis
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
B29L2031/7148—Blood bags, medical bags
B—PERFORMING OPERATIONS; TRANSPORTING
B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
B31B50/74—Auxiliary operations
B31B50/76—Opening and distending flattened articles
B31B50/78—Mechanically
B—PERFORMING OPERATIONS; TRANSPORTING
B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
B31B70/00—Making flexible containers, e.g. envelopes or bags
B31B70/74—Auxiliary operations
B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
B31B70/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts
B31B70/844—Applying rigid valves, spouts, or filling tubes
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
Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
Y10T156/1304—Means making hole or aperture in part to be laminated
Y10T156/1309—Means making hole or aperture in part to be laminated and securing separate part over hole or aperture
Abstract
1516540 Nippled bags A J VERSTEEGE 17 June 1976 [14 July 1975] 25240/76 Heading B8K [Also in Division B5] In a plastics bag 21 having a sterile interior and top, bottom and side welds 24, 26, 29 and 31, connecting nipples, such as 28, are welded to the bag material at the bottom 27 of the bag. The connecting nipples 28 which may be manufactured with sterile interiors, may be formed by simultaneously cutting and sealing lengths of a continuous base. Alternatively, the nipples may be formed with end flanges, such as on the nipple 68 which is shown in combination with an adapter 71 for mounting a droplet counter including a syringe needle 79 which can pierce a membrane 76 of the nipple.
GB2524076A
1975-07-14
1976-06-17
Method and apparatus for the continuous manufacture of plastics bags provided with connection nipples and a plastics bag thus manufactured
Expired
GB1516540A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
NL7508410A
NL7508410A
(en)
1975-07-14
1975-07-14
PROCEDURE FOR THE CONTINUOUS AND PYROGEN-FREE MANUFACTURE OF PLASTIC BAGS OR TUBES FITTED WITH CONNECTION NIPPLES, A SLIDING BLOCK TO BE APPLIED AS WELL AS A PLASTIC BAG OR -TUBE MANUFACTURED THEREFORE.
Publications (1)
Publication Number
Publication Date
GB1516540A
true
GB1516540A
(en)
1978-07-05
Family
ID=19824157
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB2524076A
Expired
GB1516540A
(en)
1975-07-14
1976-06-17
Method and apparatus for the continuous manufacture of plastics bags provided with connection nipples and a plastics bag thus manufactured
Country Status (9)
Country
Link
US
(1)
US4166412A
(en)
JP
(1)
JPS5224778A
(en)
DE
(3)
DE7617937U1
(en)
DK
(1)
DK302976A
(en)
ES
(2)
ES450051A1
(en)
FR
(1)
FR2318016A1
(en)
GB
(1)
GB1516540A
(en)
NL
(1)
NL7508410A
(en)
SE
(1)
SE415542B
(en)
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EP0059287A1
(en)
*
1981-03-03
1982-09-08
Unilever Plc
Process and apparatus for fabrication of packages and containers
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1977-03-17
1978-09-18
Pennwalt Corp
CONTAINER WITH ASEPTIC ACCESS PASSAGE
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1979-03-05
1980-12-23
Baxter Travenol Laboratories, Inc.
Seal for flexible container having flexible, generally conical portions
US4352669A
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1980-11-10
1982-10-05
Baxter Travenol Laboratories, Inc.
Process and apparatus for manufacturing plastic containers
JPS5864745U
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1981-10-27
1983-05-02
新島物産株式会社
Mortar press fitting equipment
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1981-12-16
1984-11-06
Custom Packaging Systems, Inc.
Bag making method and machine
IT1171800B
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1983-11-14
1987-06-10
Bieffe Spa
SYSTEM AND EQUIPMENT FOR THE FORMING AND FILLING OF STERILIZABLE FLEXIBLE BAGS
JPS60138137A
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1983-12-23
1985-07-22
フジタ工業株式会社
Connection of precast concrete pillar
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1985-02-01
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Baxter Travenol Laboratories, Inc.
Former for form, fill and seal packaging machine
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1986-09-24
Baxter Travenol Lab
Former for form,fill and seal packaging machines
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DEVICE FOR PLACING END CAPS THROUGH A PERFORATED FILM AND PERFORATED FILM PROVIDED WITH END CAPS
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Baxter Travenol Laboratories, Inc.
Apparatus and method for attaching a fitment to a web of film
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Plastic bags roll and method for making same
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2002-09-19
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에이에프피 어드밴스드 푸드 프러덕츠 엘엘씨
Method and apparatus for producing fused tube on bag and bag produced thereby
US7007824B2
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2003-01-24
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Baxter International Inc.
Liquid dispenser and flexible bag therefor
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Scholle Corporation
Flexible container forming apparatus having integrated web surface deformation
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2008-03-25
2009-09-26
Sarong Spa
APPARATUS FOR FORMING ASEPTIC CONTAINERS
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2009-01-27
2010-07-28
Novamen S A S Ing Di Salvo France Sco & C
BAG FOR THE COLLECTION AND FRACTION OF THE BLOOD AND ITS PROCESS OF REALIZATION
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2013-10-30
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湖南汇一制药机械有限公司
The integrated infusion soft bag production line of a kind of integral type
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2016-01-19
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NL
NL7508410A
patent/NL7508410A/en
not_active
Application Discontinuation
1975-12-12
DE
DE7617937U
patent/DE7617937U1/en
not_active
Expired
1975-12-12
DE
DE7539723U
patent/DE7539723U/en
not_active
Expired
1975-12-12
DE
DE19752556125
patent/DE2556125A1/en
not_active
Withdrawn
1976
1976-06-17
GB
GB2524076A
patent/GB1516540A/en
not_active
Expired
1976-06-18
SE
SE7607010A
patent/SE415542B/en
unknown
1976-06-24
US
US05/699,447
patent/US4166412A/en
not_active
Expired – Lifetime
1976-07-05
FR
FR7621203A
patent/FR2318016A1/en
not_active
Withdrawn
1976-07-05
DK
DK302976A
patent/DK302976A/en
unknown
1976-07-12
ES
ES450051A
patent/ES450051A1/en
not_active
Expired
1976-07-13
JP
JP8262376A
patent/JPS5224778A/en
active
Pending
1977
1977-08-01
ES
ES1977230467U
patent/ES230467Y/en
not_active
Expired
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
EP0059287A1
(en)
*
1981-03-03
1982-09-08
Unilever Plc
Process and apparatus for fabrication of packages and containers
Also Published As
Publication number
Publication date
DE7539723U
(en)
1976-12-09
ES230467U
(en)
1977-10-16
FR2318016A1
(en)
1977-02-11
SE7607010L
(en)
1977-01-15
ES450051A1
(en)
1977-12-01
SE415542B
(en)
1980-10-13
ES230467Y
(en)
1978-02-16
DE7617937U1
(en)
1976-12-23
US4166412A
(en)
1979-09-04
DE2556125A1
(en)
1977-02-03
DK302976A
(en)
1977-01-15
NL7508410A
(en)
1977-01-18
JPS5224778A
(en)
1977-02-24
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Legal Events
Date
Code
Title
Description
1978-11-29
PS
Patent sealed [section 19, patents act 1949]
1983-01-19
PCNP
Patent ceased through non-payment of renewal fee
