LU79572A1 - Seringue hypodermique a usage unique et procede de fabrication - Google Patents

Seringue hypodermique a usage unique et procede de fabrication

Info

Publication number
LU79572A1
LU79572A1 LU79572A LU79572A LU79572A1 LU 79572 A1 LU79572 A1 LU 79572A1 LU 79572 A LU79572 A LU 79572A LU 79572 A LU79572 A LU 79572A LU 79572 A1 LU79572 A1 LU 79572A1
Authority
LU
Luxembourg
Prior art keywords
manufacturing process
hypodermic syringe
use hypodermic
syringe
manufacturing
Prior art date
Application number
LU79572A
Other languages
English (en)
Inventor
K Geiger
Original Assignee
Becton Dickinson 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.)
Filing date
Publication date
Application filed by Becton Dickinson Co filed Critical Becton Dickinson Co
Publication of LU79572A1 publication Critical patent/LU79572A1/fr

Links

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
    • 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
    • B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
    • B29C65/0672—Spin welding
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3202—Devices for protection of the needle before use, e.g. caps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/50—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02—Bending or folding
    • B29C53/04—Bending or folding of plates or sheets
    • B29C53/06—Forming folding lines by pressing or scoring
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1222—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a lapped joint-segment
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1224—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a butt joint-segment
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1282—Stepped joint cross-sections comprising at least one overlap joint-segment
    • B29C66/12821—Stepped joint cross-sections comprising at least one overlap joint-segment comprising at least two overlap joint-segments
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1284—Stepped joint cross-sections comprising at least one butt joint-segment
    • B29C66/12841—Stepped joint cross-sections comprising at least one butt joint-segment comprising at least two butt joint-segments
    • 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
    • B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
    • B29C66/322—Providing cavities in the joined article to collect the burr
    • 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
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M2005/3117—Means preventing contamination of the medicament compartment of a syringe
    • A61M2005/3121—Means preventing contamination of the medicament compartment of a syringe via the proximal end of a syringe, i.e. syringe end opposite to needle cannula mounting end
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
    • A61M5/347—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub rotatable, e.g. bayonet or screw
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
    • A61M5/349—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub using adhesive bond or glues
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0053—Moulding articles characterised by the shape of the surface, e.g. ribs, high polish
    • B29C37/0057—Moulding single grooves or ribs, e.g. tear lines
    • 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
    • B29L2031/753—Medical equipment; Accessories therefor
    • B29L2031/7544—Injection needles, syringes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
LU79572A 1977-05-16 1978-05-02 Seringue hypodermique a usage unique et procede de fabrication LU79572A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/797,069 US4121588A (en) 1977-05-16 1977-05-16 Disposable hypodermic syringe and method of manufacture

Publications (1)

Publication Number Publication Date
LU79572A1 true LU79572A1 (fr) 1978-11-03

Family

ID=25169810

Family Applications (1)

Application Number Title Priority Date Filing Date
LU79572A LU79572A1 (fr) 1977-05-16 1978-05-02 Seringue hypodermique a usage unique et procede de fabrication

Country Status (12)

Country Link
US (1) US4121588A (fr)
JP (1) JPS5850741B2 (fr)
AU (1) AU517999B2 (fr)
BE (1) BE866794A (fr)
BR (1) BR7803003A (fr)
CA (1) CA1105794A (fr)
DE (1) DE2820727C2 (fr)
FR (1) FR2390966A1 (fr)
GB (1) GB1603665A (fr)
LU (1) LU79572A1 (fr)
NL (1) NL182450C (fr)
SE (1) SE7805120L (fr)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4249530A (en) * 1979-05-09 1981-02-10 Johnson & Johnson Hypodermic syringe assembly
US4237882A (en) * 1979-09-27 1980-12-09 Sherwood Medical Industries Inc. Needle sheath
US4367738A (en) * 1981-10-28 1983-01-11 Janssen Pharmaceutica Inc. Pre-filled syringe for abusable drugs
US4413992A (en) * 1981-12-02 1983-11-08 Baxter Travenol Laboratories, Inc. Cannula support assembly and its method of manufacture
US4496352A (en) * 1981-12-02 1985-01-29 Baxter Travenol Laboratories, Inc. Cannula support assembly and its method of manufacture
US4574456A (en) * 1981-12-02 1986-03-11 Baxter Travenol Laboratories, Inc. Method of manufacturing a support assembly
FR2544407B1 (fr) * 1983-04-18 1986-08-08 Legris Procede et dispositif d'assemblage de plusieurs organes, notamment d'organes de liaison pour raccords de fluide
US4581024A (en) * 1984-12-10 1986-04-08 Becton, Dickinson And Company Needle assembly
GB2188279B (en) * 1986-03-26 1989-11-29 Metal Box Plc Method of making a container
US4728321A (en) * 1987-04-16 1988-03-01 Ming-Chiu Wu Syringe cap with adhesive holding plug
JPH01109822A (ja) * 1987-10-22 1989-04-26 Showa Shell Sekiyu Kk Ｅｌ用光電交流スイッチ
AU595096B2 (en) * 1988-02-10 1990-03-22 Astra Pharmaceuticals Pty Ltd Plastic cartridge and syringe
IT1217595B (it) * 1988-05-13 1990-03-30 Molteni & C Dispositivo anticontagio per iniezione di soluzioni anestetiche odontoiatriche contenute in cartuccia
US4981239A (en) * 1989-01-03 1991-01-01 The Procter & Gamble Company Container having a drain-back spout
US4929232A (en) * 1989-03-30 1990-05-29 Becton, Dickinson And Company Syringe having tamper evidence features
IT1230297B (it) * 1989-07-05 1991-10-18 Carmelo Lo Duca Siringa utilizzabile una sola volta.
JP2905828B2 (ja) * 1989-12-05 1999-06-14 株式会社吉野工業所 シリンジ筒成形装置とシリンジ筒成形方法
DE69729663T2 (de) 1996-12-16 2005-07-07 The Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College Kanüle mit stumpfen ende und zugangszapfen
US5951520A (en) 1996-12-19 1999-09-14 Bio-Plexus, Inc. Self-blunting needle medical devices and methods of manufacture thereof
US6036671A (en) * 1997-07-17 2000-03-14 Frey; William J. Breakaway syringe and disposal apparatus
JP3031338B2 (ja) * 1998-07-14 2000-04-10 文能 劉 多用途安全自動輸液静脈カテーテル
FR2803531B1 (fr) * 2000-01-07 2002-04-12 Sanofi Synthelabo Dispositif d'injection a usage unique
DK1257308T3 (da) * 2000-01-07 2005-09-12 Glaxo Group Ltd Anordning til injektion af en dosis væske, navnlig medicinsk væske
BR0109342B1 (pt) * 2000-03-22 2010-10-05 agulha médica usada como uma agulha dental ou de insulina.
EP2236617A1 (fr) * 2009-03-31 2010-10-06 Leukocare Ag Procédés de stérilisation de terminal de compositions biofonctionnelles
US9415172B2 (en) 2012-04-19 2016-08-16 Ultimed, Inc. Safety syringe and needle shield
US10064990B2 (en) * 2012-07-16 2018-09-04 Becton, Dickinson And Company Packageless syringe assembly with sterilizable fluid path
EP2783721A1 (fr) * 2013-03-26 2014-10-01 Sanofi-Aventis Deutschland GmbH Support d'ensemble d'aiguille
US11577030B2 (en) 2013-12-04 2023-02-14 Embecta Corp. Pen needle attachment mechanisms
EP3077019A4 (fr) 2013-12-04 2017-07-12 Becton, Dickinson and Company Mécanismes de fixation d'aiguille de stylo
CN113599633B (zh) 2015-01-30 2023-05-02 恩贝克塔公司 具有患者接触表面的笔针毂座
CN111448052A (zh) * 2017-09-27 2020-07-24 伍德韦尔丁公司 将第二物体固定至第一物体
CN110126281B (zh) * 2019-05-15 2021-04-20 中南大学 一种回填式搅拌摩擦点焊模块、装置及点焊方法
CN112590222B (zh) * 2020-11-27 2022-12-02 江苏神力医用制品有限公司 一种注射器的自动化制造设备
DE102021212963A1 (de) 2021-11-18 2023-05-25 B. Braun Melsungen Aktiengesellschaft Kanüle und Verfahren zur Herstellung einer solchen Kanüle
CN116278004B (zh) * 2023-04-21 2023-11-03 山东淄博民康药业包装有限公司 预充针注射器针筒自动插针设备、针筒插针方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1357757A (fr) * 1963-02-27 1964-04-10 Procédé de fixation d'une aiguille hypodermique ou similaire dans une douille en matière thermoplastique
US3320954A (en) * 1963-12-30 1967-05-23 Pharmaseal Lab Hypodermic syringe with breakable polypropylene needle adaptor
US3306291A (en) * 1964-04-14 1967-02-28 Burron Medical Prod Inc Disposable sterile syringes, needle containers and the like having prestressed frangible portions therein
US3436803A (en) * 1966-02-07 1969-04-08 Stanley J Sarnoff Uniting parts by the use of vibrational and positive material deforming forces and article made thereby
FR2178068A1 (en) * 1972-03-27 1973-11-09 Harild Niels Friction welding - of rotationally symmetrical thermoplastic bodies, esp thin-walled container parts, without giving
SE398820B (sv) * 1972-11-01 1978-01-23 Arias Marcelo Chiquiar Sjelvforstorande engangsinjektionsspruta
US3914865A (en) * 1974-07-19 1975-10-28 Becton Dickinson Co Hand carried device for destroying hypodermic syringes and needles
US4027669A (en) * 1976-04-12 1977-06-07 American Hospital Supply Corporation Destructible Luer lock syringe and method of destructing same
IL54167A (en) * 1977-03-14 1980-05-30 Baxter Travenol Lab Frangible protective sealing arrangement

Also Published As

Publication number Publication date
AU3611078A (en) 1979-11-22
DE2820727A1 (de) 1978-11-23
NL182450C (nl) 1988-03-16
BR7803003A (pt) 1978-12-26
FR2390966B1 (fr) 1984-10-19
DE2820727C2 (de) 1983-09-22
JPS53142088A (en) 1978-12-11
JPS5850741B2 (ja) 1983-11-12
NL182450B (nl) 1987-10-16
SE7805120L (sv) 1978-11-17
FR2390966A1 (fr) 1978-12-15
US4121588A (en) 1978-10-24
NL7804666A (nl) 1978-11-20
CA1105794A (fr) 1981-07-28
GB1603665A (en) 1981-11-25
BE866794A (fr) 1978-09-01
AU517999B2 (en) 1981-09-10

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