GB1565455A - Creation of Inventions and Patents with Artificial Intelligence

GB1565455A – Conveyor plant
– Google Patents

GB1565455A – Conveyor plant
– Google Patents
Conveyor plant

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Publication number
GB1565455A

GB1565455A
GB42047/77A
GB4204777A
GB1565455A
GB 1565455 A
GB1565455 A
GB 1565455A
GB 42047/77 A
GB42047/77 A
GB 42047/77A
GB 4204777 A
GB4204777 A
GB 4204777A
GB 1565455 A
GB1565455 A
GB 1565455A
Authority
GB
United Kingdom
Prior art keywords
conveyor
casings
aperture
pair
opposite
Prior art date
1976-10-15
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
GB42047/77A
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.)

CIDELCEM SA

Cidelcem

Original Assignee
CIDELCEM SA
Cidelcem
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.)
1976-10-15
Filing date
1977-10-10
Publication date
1980-04-23

1976-10-15
Priority claimed from FR7631087A
external-priority
patent/FR2367684A1/en

1976-10-15
Priority claimed from FR7631086A
external-priority
patent/FR2367683A1/en

1977-10-10
Application filed by CIDELCEM SA, Cidelcem
filed
Critical
CIDELCEM SA

1980-04-23
Publication of GB1565455A
publication
Critical
patent/GB1565455A/en

Status
Expired
legal-status
Critical
Current

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Classifications

B—PERFORMING OPERATIONS; TRANSPORTING

B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL

B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS

B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors

B65G21/02—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors consisting essentially of struts, ties, or like structural elements

B65G21/06—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors consisting essentially of struts, ties, or like structural elements constructed to facilitate rapid assembly or dismantling

B—PERFORMING OPERATIONS; TRANSPORTING

B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL

B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS

B65G43/00—Control devices, e.g. for safety, warning or fault-correcting

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

Y10S198/00—Conveyors: power-driven

Y10S198/95—Conveyor transverses wall aperture

Description

PATENT SPECIFICATION
( 11) ( 21) Application No 42047 j 77 ( 22) Filed 10 Oct 1977 ( 31) Convention Application Nos.
7 631 086 ( 32) Filed 15 Oct 1976 in 7 631087 ( 33) France (FR) ( 44) Complete Specification published 23 April 1980 ( 51) INT CL 3 B 65 G 21 /06 ( 52) Index at acceptance B 8 A K 15 K 4 K R 9 ( 54) CONVEYOR PLANT ( 71) We, CIDELCEM S A, a Body Corporate organised under the Laws of France, of 5-15, Rue Olivier Noyer, Paris 14, France, do hereby declare the invention, for which we pray that a patent may be granted to us, and the method by which it is to be performed, to be described in and by the following statement: The present invention relates to conveyor plants of the type intended for equipping both sides of a wall or partition in which two spaced apertures are formed to permit the free passage of the movable component elements of the conveyor plant.
Conveyor plants of the type broadly defined hereinabove may be used typically for example for solving the problem of removing trays loaded with soiled dishes, forks and spoons from certain public restaurants or companies’ restaurants, more particularly restaurants wherein the users use trays for transporting the various vessels containing the food and drinks to be consumed In this case, conveyors of the above-defined type may be fitted across a wall or partition separating the dining room of the restaurant from an adjacent cleaning and wash room The movable elements of the conveyor equipping this wall, for example special baskets, are thus caused to travel along a closed-loop path and move firstly past the wall surface on the dining room side and then past the opposite wall surface on the wash room side Thus, the users of the restaurant may deposit on the movable transport elements of the conveyor the trays containing the soiled plates and dishes which can subsequently be recovered by the personnel in the wash room after said trays have been transported by the conveyor.
However, conveyors of this type may also be utilized for various different or similar applications, for example whenever it is desired to cater or supply a given room or space from another adjacent room or space Conveyors of this type may also be installed in display rooms, window displays or shops 50 At present, conveyor plants of this type comprise a relatively cumbersome frame structure provided with floor-engaging elements such as legs or posts In certain cases, some sealing work has to be per 55 formed in the floor and/or the wall to be equipped with the conveyor Besides, these known conveyor plants can only be installed by skilled hands.
It is therefore a primary object of the 60 present invention to provide a conveyor plant of the type broadly set forth hereinabove, but designed with a view to permit its fixation directly on the wall or partition separating the two rooms to be intercon 65 nected thereby, this conveyor being free of any ground or floor-engaging element On the other hand, this conveyor and its plant or installation are such that they can be transported to the site in the form of 70 separate component elements adapted to be easily assembled on the site even by unskilled hands.
For this purpose, the present invention provides a conveyor plant adapted to be 75 fitted to both surfaces of a wall or partition comprising two spaced apertures for the passage of the movable elements of the plant characterized that driving mechanism are enclosed in two end casings 80 adapted to be disposed in one and the other apertures, respectively, the casings comprising each a pair of jaws adapted to engage, and to be clamped against, the edge of the relevant aperture which is 85 nearest to the other aperture, said plant further comprising a pair of flat longitudinal frame members adapted to be disposed adjacent the opposite wall surfaces, said longitudinal members having their 90 1 56,5 455 1 565 455 ends provided with means for securing them to both said end casings when said casings are disposed and clamped in position in said apertures.
Under these conditions, the component elements of the conveyor plant can be assembled and tightened on the site by means of somple screws and bolts Besides, the overall dimensions of the conveyor is reduced to a minimum.
However, other features and advantages of the present conveyor structure will appear as the following description proceeds with reference to the attached drawings showing diagrammatically by way of example typical forms of embodiment thereof.
FIGURE 1 is a perspective exploded view of the main component elements of the conveyor plant according to a first form of embodiment of this invention; FIGURE 2 is a fragmentary front elevational view showing on a smaller scale the conveyor equipping a wall or partition; FIGURE 3 is a section taken along the line III-III of Figure 2; FIGURE 4 is a view similar to Figure 2 but showing the initial step of the mounting of the conveyor plant, namely the fastening of the pair of casings 10 a, 10 b at either end thereof; FIGURE 5 is a fragmentary section taken along the line V-V of Figure 4 but on a different scale; FIGURE 6 is a fragmentary front elevational view of one of the end casings, this view illustrating the mode of fixation of one of the longitudinal members of the frame structure; FIGURE 7 shows in front elevational view one of the end casings and the safety device associated therewith at the location of the passage contemplated through the corresponding wall; FIGURE 8 is a section taken along the line VIII-VIII of Figure 7; FIGURE 9 is a fragmentary front elevational view showing on a different scale the safety device of the conveyor structure of Figures 7 and 8; FIGURE 10 is a diagrammatic plan view from above thereof, and FIGURE 11 is a fragmentary section taken along the line XI-XI of Figure 9.
As already mentioned in the above preamble, the conveyor structure according to the embodiment is intended for mounting on the two opposite surfaces 1 and 2 of a wall or partition 3 comprising a pair of spaced apertures 4 and 5 for the passage of the movable carrier elements of the conveyor These movable carrier elements may consist of baskets 6 attached to and/or suspended from a plurality of spaced supports 7 secured to an endless driving chain 8 This chain 8 engages guide sprockets 9 a and 9 b located at the opposite ends of the conveyor, respectively, and comprises two reaches moving the one adjacent one surface 1 and the other adjacent the opposite 70 surface 2 of wall 3 The baskets 6 are thus caused to travel by turns along the two wall surfaces after passing through the end apertures 4 and 5.
The driving mechanisms thereof are en 75 closed in two casings 10 a and 10 b adapted to be fitted within the apertures 4 and 5 of the wall or partition 3 These casings enclose the above-mentioned sprockets 9 a and 9 b keyed or otherwise fastened to 80 relevant vertical shafts mounted in suitable bearings adequately disposed inside the corresponding casings Moreover, enclosed in one of the casings, for example casing 10 a, is an electric motor (shown in dash lines 85 in Figure 6) driving the corresponding sprocket 9 a constituting the driving sprocket of the conveyor.
The pair of sprockets 9 a, 9 b disposed above a top plate 11 closing the upper 90 portion of each casing 10 a, 10 b are concealed by a separate or detachable arcuate strip 12 having a cover 13 detachably secured on its top.
Each casing 10 a, 10 b comprises a fiat 95 vertical surface 14 adapted to register with the vertical edge of the relevant aperture 4 or 5 of wall 1 which is the edge nearest to the opposite aperture (see Figure 3).
Along this vertical surface 14 each casing 100 a, 10 b comprises a pair of clamping jaws adapted to be tightened against the corresponding edge of the aperture.
As illustrated in Figure 5, one of the pair of clamping jaws consists of an angle 105 iron 16 secured by welding to the surface 14 of the corresponding casing The other law 17 is movable and consists of a section member having a substantially Z shape in cross section One wing of this section 110 constitutes the clamping jaws proper and its opposite wing 18 carries a nut 19 engaged by a lock or tightening screw 20.
The head of screw 20 bears against the outer surface of the fixed jaw 16 and the 115 screw shank slidably engages a guide socket 21 rigid with the movable jaw 17.
Thus, after disposing the pair of jaws 16 and 17 on either side of the corresponding edge of the wall aperture, the operator 120 simply tightens the screws 20 for clamping the jaws Preferably, the inner surfaces of both jaws 16 and 17 are lined with a pad or strip 22 of resilient or compressible material 125 In combination with the opposite casings a and 10 b the present conveyor arrangement comprises a pair of longitudinal frame members designated in general by the reference symbols 23 a and 23 b Each 130 1 565 455 longitudinal member consists of a metal plate or a sheet of other suitable material having a length corresponding to the distance measured between the adjacent edges of the opposite apertures 4 and 5 Along their upper edges, these plate 23 a and 23 b comprise a slideway 24 adapted to guide the relevant reach of the driving chain 8.
At its upper corners each plate 23 a, 23 b carries an assembling square or iron knee consisting if desired of a suitably shaped extension of a U-section member 26 overlying the corresponding slideway 24 This square or iron knee 25 is adapted to be secured by means of bolts 27 to the top plates 11 of the opposite casings 10 a and b Moreover, at their lower corners these plates 23 a and 23 b comprise inturned lugs 28 also adapted to be secured by bolting to the corresponding casing.
With the arrangement described hereinabove the conveyor plant or frame structure comprises essentially four main component elements, i e the casings 10 a, 10 b and the longitudinal plates 23 a, 23 b Thus, the assembly can easily be transported in its disassembled condition to the site On the other hand, the driving chain 8 consists of two reaches corresponding to one and the other side of the conveyor, and this chain can be assembled on the site by means of coupling links Of course, the carrier or transport gondolas or baskets are also adapted to be easily disassembled.
When assembling the present conveyor on the site, the casings 10 a and 10 b are firstly secured in position by means of their jaws, as illustrated in Figure 4 For this purpose, the casings are disposed inside the relevant apertures 4 and 5 formed through the wall or partition 3, and each casing is moved towards the edge 15 of the corresponding aperture, i e the edge nearest to the opposite aperture During this operation, the jaws 16 and 17 are engaged on either side of the corresponding edge 15 and the casings 10 a, 10 b are eventually fastened thereto by tightening the two pairs of jaws by means of screws 20.
Thus, both casings 10 a and 10 b are reliably secured in position.
Then, the pair of longitudinal plates 23 a and 23 b are positioned adjacent the opposite wall surfaces 1, 2 and their ends are secured to the casings 10 a and 10 b by means of angles 25 and lugs 28.
Subsequently, the pair of complementary reaches of drive chain 8 are inserted into the slideways 24 and passed around the sprockets 9 a and 9 b, and the two chain reaches are assembled by means of conventional coupling links provided for this purpose Finally, the gondolas or baskets required for transporting the articles from i 65 one side to the other side of the wall 3 are attached to the various supports 7.
From the foregoing it is clear that this conveyor can be assembled and rendered operative very easily and rapidly, without resorting to skilled hands Moreover, this 70 conveyor is perfectly held in position, notwithstanding the absence of any sealings in, or base plates bearing on, the floor.
Besides, this construction is also advantageous in that its overall dimensions are 75 minimized considerably.
As mentioned in the foregoing, a typical application of this conveyor consists in installing same in a self-service restaurant or the like in order to facilitate the re 80 covery of trays containing soiled forks and spoons and dishes In this case the conveyor plant according to the instant embodiment is utilized for conveying these articles into a cleaning and wash room ad 85 jacent the corresponding dining room.
However, it will readily occur to the reader that the same conveyor may lend itself to many other applications Besides, the conveyor plant may if desired be utilized 90 not for transporting but for displaying such articles or miscellaneous products in a window display in order to attract the attention of passers-by The same device may also be utilized for advertising or other 95 purposes.
Of course, this invention should not be construed as being strictly limited by the specific form of embodiment described hereinabove with reference to the attached 100 drawings Besides, its component elements may be embodied with various modifications and changes, notably as a function of specific cases and applications, while remaining within the scope of the invention 105 Preferably, the conveyor system comprises a safety device adapted to stop the operation thereof instantaneously in case anybody introduced a hand or any other body part through one of the wall aper 110 tures 4 and 5 with the risk of having the hand or other body part jammed by one of the movable component elements or carrier gondolas or baskets of the conveyor 115 This safety device comprises an actuator rod 29 extending horizontally along the bottom edge of the aperture in which the device is mounted, for example aperture 5 as shown by way of example in Figures 7 120 to 11 The end of this actuator rod which is opposite the conveyor carries a control element 30 extending along the outer vertical edge 31 of aperture 5, i e parallel to the edge 15 to which the corresponding 125 casing 10 a is secured The control element is a section member having a substantially U-shaped cross sectional contour.
The two lateral wings 32 of this section member extend on either side of the cor 130 1 565 455 responding edge 31 of aperture 5; however, a relatively substantial clearance E is left between said wings 32 and the registering surfaces of the wall.
The other end of actuator rod 29 is adapted to pivot about a vertical pin 33 trunnioned in a fixed bridge piece 34 disposed astride said rod However, the upper transverse portion of this bridge piece 34 has a semi-circular sectioned rib 35 formed therein so as to form an internal groove in which the rod 29 is partly held on account of the resilient force exerted thereon by a coil spring 36 provided for this purpose Under these conditions, the spring 36 urges the rod 29 to the position in which it engages said groove Now, this groove lies in the vertical median plane of the wall, so that the rod 29 is normally retained in the position illustrated in Figure 8.
Preferably, this actuator rod 29 consists of one of the side arms of a bow 37 (Figure 7) of which the central element is rigid with the U-sectioned control member The other horizontal arm of this bow 37 has its end opposite said control member pivotally mounted on a vertical pin 38 carried by the cover 13 of the corresponding casing 10 a (or 10 b) of the conveyor frame structure which encloses the aforesaid bridge piece 34 in its lower portion.
Beyond this bridge piece 34 the adjacent end of actuator rod 29 is secured to one end of a flexable blade 39 having its opposite end 40 engaged in a blind hole or cavity formed in a fixed member 41 adapted to act as an abutment to said blade end 40, in one or the other direction and in a horizontal plane On either side of this end 40 a pair of very sensitive electric microswitches 42 a and 42 b are disposed and connected electrically in series with an electric circuit 43 controlling the energization of the motor driving the corresponding mechanism, i e the sprockets driving in turn the endless chain supporting the carrier gondolas or baskets 6.
This safety device operates as follows:
When a person engages either inadvertently or on purpose a hand or any other portion of his or her body through an aperture 4 or 5 formed in the wall 1 while one of the transport gondolas or baskets 6 is turning around the corresponding casing 10 a or 10 b, the hand or other body portion carried along quite naturally by the passing gondola or basket will depress laterally the control member 30, thus causing the actuator rod 29 to pivot in the direction of the arrow Fl This movement is attended by an elastic distortion of blade 39, as shown in dash and dot lines in Figure 10 Thus, the blade 39 will engage and actuator one of the microswitches, in this case microswitch 42 a, and the ensuing immediate de-energization of the driving motor will stop the conveyor instantaneously.
It will be seen that the actuator rod 29 70 is considerably longer than resilient blade 39 In fact, this control rod may have twice the length of the flexible blade 39 Therefore, even a very slight pressure exerted on control member 30 will change the 75 shape of resilient blade 39 sufficiently for causing it to actuate one or the other of microswitches 42 a, 42 b However, due to the fact that the blade end 40 is retained in a cavity 41, the application of 80 any unduly high pressure to the microswitches is safely avoided Besides, to obtain a very high operating sensitiveness of this safety device, extremely sensitive microswitches, i e not capable of with 85 standing relatively high pressures, must be used.
On the other hand, it will be seen that the operation of one of the other microswitch is obtained well before the control 90 member 30 of the safety device has completed its permissible stroke, that is, in a position such that one of its lateral wings 32 abuts the registering surface of wall 3 This greatly facilitates the withdrawal 95 or release of the body part previously engaged into the gap left between the gondola or basket 6 and the outer vertical side of the corresponding aperture 4 or 5.
Although a specific form of embodiment 100 of this invention has been described hereinabove and illustrated in the -accompanying drawing, it will readily occur to those skilled in the art that various modifications and changes may be brought thereto 105 without departing from the scope of the invention as set forth in the apended claims.

Claims (8)

WHAT WE CLAIM IS: –

1 A conveyor plant adapted to be fitted 110 to both surfaces of a wall or partition comprising two spaced apertures for the passage of the movable elements of the plant, characterized in that driving mechanisms are enclosed in two end casings adapted 115 to be disposed in one and the other apertures, respectively, the casings comprising each a pair of jaws adapted to engage, and to be clamped against, the edge of the relevant aperture which is nearest 120 to the other aperture, said plant further comprising a pair of flat longitudinal frame members adapted to be disposed adjacent the opposite wall surfaces, said longitudinal means for securing them to both said end 125 members having their ends provided with casings when said casings are disposed and clamped in position in said apertures.

2 A conveyor plant according to claim 1, characterized in that the end casings 130 1 565 455 comprise each a flat surface, which is vertical in use, to which a pair of clamping jaws are secured, one jaw being movable, and the other rigid, with respect to said surface.

3 A conveyor plant according to any of claims 1 or 2, which comprises a driving chain closed to form a loop, and a plurality of movable transport elements for carrier means, and is characterized in that each end casing carries at its upper portion a sprocket adapted to be engaged by the conveyor chain, said sprocket being concealed by a detachable arcuate strip on which a detachable cover is fitted.

4 A conveyor plant according to claim 3, characterized in that the longitudinal frame members consist of a pair of plates of a length corresponding to the distance measured between the adjacent vertical edges of the pair of apertures formed through the wall, the upper edge of each plate comprising a guide slideway adapted to receive and guide one reach of the conveyor driving chain.

A conveyor plant according to any of the preceding claims, wherein each end casing cooperates with a safety device comprising an actuator member carried by said end casing and adapted to be disposed along one edge of the corresponding aperture in order to project into this aperture and be actuated by one portion of a body introduced inadvertently or on purpose by a person into said aperture, the opposite end of said actuator member being rigid with one end of a flexible blade having its opposite end retained in a fixed member and adapted to co-act with a pair of microswitches disposed on either side 40 of said opposite end for controlling the driving mechanisms of the conveyor plant.

6 A conveyor plant according to claim 5, characterized in that said actuator member is a pivoting actuator rod which is 45 normally urged and returned to its inoperative position by a spring constantly tending to keep said rod in a groove formed in the upper cross portion of a bridge piece disposed astride said rod and carrying a 50 pivot pin on which said rod is fulcrumed.

7 A conveyor plant according to any of claims 5 or 6, characterized in that the end of the flexible blade which is opposite to said actuator member engages a cavity 55 adapted to act as an abutment member thereto when said flexible blade is bent or distorted in one or the other direction in a horizontal plane.

8 A conveyor plant according to claim 60 7, characterized in that said actuator member consists of one or the side arms of substantially U-shaped bow having its median section rigidly secured to a movable U-sectioned control member which, in use, 65 has its side wings disposed on either side of the vertical edge of the relevant aperture opposite the adjacent casing and its intermediate portion rigidly secured to the median section of said bow, the latter 70 having its other side arm opposite said one side arm pivoted about a pin aligned with the pivot pin of said actuator rod.
For the Applicants:CHATWIN & COMPANY, Chartered Patent Agents, 253, Gray’s Inn Road, London, W C 1.
Printed for Her Majesty’s Stationery Office by The Tweeddale Press Ltd, Berwick-upon-Tweed, 1980 Published at the Patent Office, 25 Southampton Buildings, London, WC 2 A l AY, from which copies may be obtained

GB42047/77A
1976-10-15
1977-10-10
Conveyor plant

Expired

GB1565455A
(en)

Applications Claiming Priority (2)

Application Number
Priority Date
Filing Date
Title

FR7631087A

FR2367684A1
(en)

1976-10-15
1976-10-15
Overhead conveyor with endless carrier chain – has deflector plates to transfer goods from one side of wall to opposite side

FR7631086A

FR2367683A1
(en)

1976-10-15
1976-10-15
Overhead conveyor with endless carrier chain – has deflector plates to transfer goods from one side of wall to opposite side

Publications (1)

Publication Number
Publication Date

GB1565455A
true

GB1565455A
(en)

1980-04-23

Family
ID=26219670
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

GB42047/77A
Expired

GB1565455A
(en)

1976-10-15
1977-10-10
Conveyor plant

Country Status (5)

Country
Link

US
(1)

US4157753A
(en)

JP
(1)

JPS6044209B2
(en)

DE
(1)

DE2745875A1
(en)

GB
(1)

GB1565455A
(en)

NL
(1)

NL183351C
(en)

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Publication date
Assignee
Title

US4396111A
(en)

1981-01-05
1983-08-02
Western Electric Company, Inc.
Overload detector and interrupt for conveyor chain

JPS5950911U
(en)

1982-09-29
1984-04-04
北沢産業株式会社

Tray transport device

DE10045742A1
(en)

2000-09-15
2002-04-18
Bosch Gmbh Robert

Deflection device for a conveyor on a transport route

DE10124948A1
(en)

2001-05-21
2002-11-28
Dbt Autom Gmbh
Controlling chain drive device for underground working machinery, especially scraper chain conveyors, involves deriving vibration detection signal from main and auxiliary drive operating data

ES2565227T3
(en)

2011-07-29
2016-04-01
Wrh Walter Reist Holding Ag

Transport installation with a transport organ that extends flat

CH706033A1
(en)

2012-01-18
2013-07-31
Wrh Walter Reist Holding Ag
Conveyor with a two-dimensionally extended conveyor member.

CN105397485B
(en)

2015-12-30
2018-01-23
深圳橙子自动化有限公司
A kind of electronic product assembling line

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Maurice J Ross
Piston conveyer

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Dispensing apparatus and window mount therefor

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Ross W Coleman
Endless path storage system

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Stone Conveyor Inc
Conveyor assembly with convertible extrusions

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Max Gerald Futch
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Eberhardt Timothy J
Oven rack

1977

1977-10-06
US
US05/840,166
patent/US4157753A/en
not_active
Expired – Lifetime

1977-10-10
GB
GB42047/77A
patent/GB1565455A/en
not_active
Expired

1977-10-12
DE
DE19772745875
patent/DE2745875A1/en
active
Granted

1977-10-14
NL
NLAANVRAGE7711303,A
patent/NL183351C/en
not_active
IP Right Cessation

1977-10-15
JP
JP52123979A
patent/JPS6044209B2/en
not_active
Expired

Also Published As

Publication number
Publication date

NL7711303A
(en)

1978-04-18

DE2745875A1
(en)

1978-04-20

JPS6044209B2
(en)

1985-10-02

DE2745875C2
(en)

1987-09-10

JPS5349781A
(en)

1978-05-06

NL183351B
(en)

1988-05-02

NL183351C
(en)

1988-10-03

US4157753A
(en)

1979-06-12

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