FR2194547A1 - - Google Patents

Info

Publication number
FR2194547A1
FR2194547A1 FR7228664A FR7228664A FR2194547A1 FR 2194547 A1 FR2194547 A1 FR 2194547A1 FR 7228664 A FR7228664 A FR 7228664A FR 7228664 A FR7228664 A FR 7228664A FR 2194547 A1 FR2194547 A1 FR 2194547A1
Authority
FR
France
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.)
Granted
Application number
FR7228664A
Other languages
French (fr)
Other versions
FR2194547B1 (en
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.)
FLAX VALERE FR
Original Assignee
FLAX VALERE FR
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 FLAX VALERE FR filed Critical FLAX VALERE FR
Priority to FR7228664A priority Critical patent/FR2194547B1/fr
Priority to IL42835A priority patent/IL42835A/en
Priority to ES417384A priority patent/ES417384A1/en
Priority to IT2731873A priority patent/IT991470B/en
Priority to AU58740/73A priority patent/AU5874073A/en
Priority to NL7310669A priority patent/NL7310669A/xx
Priority to BE134181A priority patent/BE803152A/en
Priority to CA177,975A priority patent/CA1009597A/en
Priority to SE7310655A priority patent/SE393947B/en
Priority to ZA735273A priority patent/ZA735273B/en
Priority to CH1134073A priority patent/CH578459A5/xx
Priority to GB3699373A priority patent/GB1436217A/en
Priority to AT686173A priority patent/AT343529B/en
Priority to DE2339502A priority patent/DE2339502C2/en
Priority to JP48087444A priority patent/JPS58958B2/en
Publication of FR2194547A1 publication Critical patent/FR2194547A1/fr
Priority to US05/500,555 priority patent/US3934780A/en
Application granted granted Critical
Publication of FR2194547B1 publication Critical patent/FR2194547B1/fr
Expired legal-status Critical Current

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
    • 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
    • B29C66/116—Single bevelled joints, i.e. one of the parts to be joined being bevelled in the joint area
    • 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
    • B29C66/118—Single monotone curved 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
    • B29C66/12—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
    • B29C66/124—Tongue and groove joints
    • B29C66/1244—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
    • B29C66/12441—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue being a single wall
    • 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
    • B29C66/124—Tongue and groove joints
    • B29C66/1246—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove
    • B29C66/12469—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove being asymmetric
    • 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
    • B29C66/5344—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially annular, i.e. of finite length, e.g. joining flanges to tube ends
    • 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
    • B29C66/61—Joining from or joining on the inside
    • B29C66/612—Making circumferential 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
    • B29C66/50—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
    • B29C66/70—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
    • 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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/02—Body construction
    • B65D35/12—Connections between body and closure-receiving bush
    • 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
    • B29L2023/00—Tubular articles
    • B29L2023/20—Flexible squeeze tubes, e.g. for cosmetics
    • 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
FR7228664A 1972-08-03 1972-08-03 Expired FR2194547B1 (en)

Priority Applications (16)

Application Number Priority Date Filing Date Title
FR7228664A FR2194547B1 (en) 1972-08-03 1972-08-03
IL42835A IL42835A (en) 1972-08-03 1973-07-27 Method of and apparatus for friction welding an end piece to a flexible tubular body
ES417384A ES417384A1 (en) 1972-08-03 1973-07-30 Pliable tubular con-ainers
IT2731873A IT991470B (en) 1972-08-03 1973-07-31 MALLEABLE TUBULAR CONTAINER MANUFACTURING PROCESS AND EQUIPMENT THAT ALLOWS ITS REALIZATION
AU58740/73A AU5874073A (en) 1972-08-03 1973-07-31 Joining a container end to a container wall
NL7310669A NL7310669A (en) 1972-08-03 1973-08-01
ZA735273A ZA735273B (en) 1972-08-03 1973-08-02 Deformable tubular elements and process and apparatus for the production thereof
SE7310655A SE393947B (en) 1972-08-03 1973-08-02 PROCEDURE AND DEVICE FOR FRICTION WELDING OF A VOLVED GARDEN PIECE TO ONE END OF A FLEXIBLE, TUBE-SHAPED BODY
BE134181A BE803152A (en) 1972-08-03 1973-08-02 MALLEABLE TUBULAR CONTAINER, MANUFACTURING PROCESS AND TOOLS ENABLING ITS REALIZATION
CA177,975A CA1009597A (en) 1972-08-03 1973-08-02 Process and device for manufacturing flexible tubular containers
GB3699373A GB1436217A (en) 1972-08-03 1973-08-03 Pliable tubular con-ainers
AT686173A AT343529B (en) 1972-08-03 1973-08-03 METHOD FOR CONNECTING AN APPARATUS PIECE TO A TUBE MADE FROM THERMALLY WELDABLE MATERIAL BY FRICTION WELDING AND A DEVICE FOR CARRYING OUT THE METHOD
CH1134073A CH578459A5 (en) 1972-08-03 1973-08-03
DE2339502A DE2339502C2 (en) 1972-08-03 1973-08-03 Friction welding device
JP48087444A JPS58958B2 (en) 1972-08-03 1973-08-03 Yawarakana Tsutsujiyouyouki Sonoseihou Narabini Seizou Sochi
US05/500,555 US3934780A (en) 1972-08-03 1974-08-26 Apparatus for making tubular containers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7228664A FR2194547B1 (en) 1972-08-03 1972-08-03

Publications (2)

Publication Number Publication Date
FR2194547A1 true FR2194547A1 (en) 1974-03-01
FR2194547B1 FR2194547B1 (en) 1977-04-01

Family

ID=9103054

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7228664A Expired FR2194547B1 (en) 1972-08-03 1972-08-03

Country Status (15)

Country Link
JP (1) JPS58958B2 (en)
AT (1) AT343529B (en)
AU (1) AU5874073A (en)
BE (1) BE803152A (en)
CA (1) CA1009597A (en)
CH (1) CH578459A5 (en)
DE (1) DE2339502C2 (en)
ES (1) ES417384A1 (en)
FR (1) FR2194547B1 (en)
GB (1) GB1436217A (en)
IL (1) IL42835A (en)
IT (1) IT991470B (en)
NL (1) NL7310669A (en)
SE (1) SE393947B (en)
ZA (1) ZA735273B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2315378A1 (en) * 1975-06-23 1977-01-21 Voplex Corp METHOD FOR MANUFACTURING A RIGID WALL DISTRIBUTION CARTRIDGE
FR2507532A1 (en) * 1981-06-15 1982-12-17 Branson Ultrasonics Corp FRICTION WELDING DEVICE
FR2753178A1 (en) * 1996-09-11 1998-03-13 Valois Reception dish for paste dispenser

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4353761A (en) * 1981-07-30 1982-10-12 Boise Cascade Corporation Method for spin bonding ends for composite containers
US4944977A (en) * 1987-05-19 1990-07-31 A.R.D. Industries Ltd. Friction welding flash trap seal
US4832769A (en) * 1987-05-19 1989-05-23 A. R. D. Industries Ltd. Friction welding flash trap seal and method of producing same
SE464344B (en) * 1988-02-18 1991-04-15 Norden Pac Dev Ab APPENDIX, PROCEDURES BEFORE ITS ASSEMBLY ON PIPE-SIZED SHELTERS AND DEVICE FOR IMPLEMENTATION OF THE PROCEDURE
ATE391001T1 (en) * 2004-05-13 2008-04-15 Aisapack Holding Sa VESSEL WELDING PROCESS
CN116765580B (en) * 2023-08-18 2023-12-01 布柯玛蓄能器张家口有限公司 Welding process of diaphragm type accumulator shell

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1407064A (en) * 1963-11-21 1965-07-30 Method and tools for joining several pieces of heat-sealable material
FR2049864A5 (en) * 1969-06-04 1971-03-26 Continental Plastic Ag

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO123244B (en) * 1963-11-21 1971-10-18 V Flax

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1407064A (en) * 1963-11-21 1965-07-30 Method and tools for joining several pieces of heat-sealable material
FR2049864A5 (en) * 1969-06-04 1971-03-26 Continental Plastic Ag

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2315378A1 (en) * 1975-06-23 1977-01-21 Voplex Corp METHOD FOR MANUFACTURING A RIGID WALL DISTRIBUTION CARTRIDGE
FR2507532A1 (en) * 1981-06-15 1982-12-17 Branson Ultrasonics Corp FRICTION WELDING DEVICE
FR2753178A1 (en) * 1996-09-11 1998-03-13 Valois Reception dish for paste dispenser

Also Published As

Publication number Publication date
FR2194547B1 (en) 1977-04-01
NL7310669A (en) 1974-02-05
IL42835A (en) 1976-12-31
SE393947B (en) 1977-05-31
JPS58958B2 (en) 1983-01-08
JPS49133169A (en) 1974-12-20
ES417384A1 (en) 1976-07-16
IT991470B (en) 1975-07-30
DE2339502C2 (en) 1983-07-14
ATA686173A (en) 1977-09-15
AU5874073A (en) 1975-02-06
IL42835A0 (en) 1973-10-25
AT343529B (en) 1978-06-12
DE2339502A1 (en) 1974-02-14
GB1436217A (en) 1976-05-19
ZA735273B (en) 1974-07-31
CH578459A5 (en) 1976-08-13
CA1009597A (en) 1977-05-03
BE803152A (en) 1973-12-03

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