ES421282A1 - Methods and apparatuses for joining together parts of foam plastics - Google Patents
Methods and apparatuses for joining together parts of foam plasticsInfo
- Publication number
- ES421282A1 ES421282A1 ES421282A ES421282A ES421282A1 ES 421282 A1 ES421282 A1 ES 421282A1 ES 421282 A ES421282 A ES 421282A ES 421282 A ES421282 A ES 421282A ES 421282 A1 ES421282 A1 ES 421282A1
- Authority
- ES
- Spain
- Prior art keywords
- apparatuses
- methods
- parts
- joining together
- foam plastics
- Prior art date
- 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
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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
- B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
- B29C66/91411—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the parts to be joined, e.g. the joining process taking the temperature of the parts to be joined into account
- B29C66/91413—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the parts to be joined, e.g. the joining process taking the temperature of the parts to be joined into account the parts to be joined having different temperatures
-
- 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
- B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
- B29C65/2007—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by the type of welding mirror
- B29C65/2023—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by the type of welding mirror said welding mirror comprising several sectors
-
- 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
- B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
- B29C65/2053—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by special ways of bringing the welding mirrors into position
- B29C65/2061—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by special ways of bringing the welding mirrors into position by sliding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7841—Holding or clamping means for handling purposes
- B29C65/7847—Holding or clamping means for handling purposes using vacuum to hold at least one 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
- B29C66/01—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
- B29C66/50—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
- B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
- B29C66/53461—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies
-
- 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
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
- B29C66/542—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining hollow covers or hollow bottoms to open ends of container bodies
-
- 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
- B29C66/72—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 structure of the material of the parts to be joined
- B29C66/727—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 structure of the material of the parts to be joined being porous, e.g. foam
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8161—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps said pressing elements being supported or backed-up by springs or by resilient material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
- B29C66/822—Transmission mechanisms
- B29C66/8221—Scissor or lever mechanisms, i.e. involving a pivot point
-
- 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
- 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
- B29C66/8324—Joining or pressing tools pivoting around one axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B7/00—Closing containers or receptacles after filling
- B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
- B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
- B65B7/2842—Securing closures on containers
- B65B7/2878—Securing closures on containers by heat-sealing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Package Closures (AREA)
- Making Paper Articles (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
Abstract
Method and apparatus for strongly connecting together two pieces of foamy plastic characterized in that a portion of the first piece is heated by means of heating jaws, or any other similar means, so that it melts, while the other part it is kept at a considerably lower temperature, preferably at room or room temperature, and then the parts are immediately joined, whereby the surface portion of the second part which is brought into contact with the molten portion of the The first part melts quickly, so the second part functions as a means for heat dissipation to allow rapid hardening of the molten parts. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1601772A SE367570B (en) | 1972-12-08 | 1972-12-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES421282A1 true ES421282A1 (en) | 1976-04-16 |
Family
ID=20301606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES421282A Expired ES421282A1 (en) | 1972-12-08 | 1973-12-07 | Methods and apparatuses for joining together parts of foam plastics |
Country Status (22)
Country | Link |
---|---|
JP (1) | JPS557811B2 (en) |
AR (1) | AR202909A1 (en) |
AT (1) | AT351250B (en) |
BE (1) | BE808363A (en) |
BR (1) | BR7309612D0 (en) |
CA (1) | CA1006428A (en) |
CH (1) | CH559093A5 (en) |
CS (1) | CS181259B2 (en) |
DD (1) | DD107626A5 (en) |
DE (1) | DE2360727C3 (en) |
ES (1) | ES421282A1 (en) |
FI (1) | FI53935C (en) |
FR (1) | FR2209653B1 (en) |
GB (1) | GB1423277A (en) |
IN (1) | IN139014B (en) |
IT (1) | IT1001205B (en) |
NL (1) | NL179031B (en) |
NO (1) | NO138618C (en) |
PL (1) | PL91234B1 (en) |
SE (1) | SE367570B (en) |
SU (1) | SU580813A3 (en) |
ZA (1) | ZA739194B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4123487A1 (en) * | 1991-07-16 | 1993-01-21 | Majer Christian Gmbh Co Kg | Welding appts. for plastic box base - has system of two split spreader rings and induction welding tool to press and weld positioned base against interior end of hollow body |
IT1310415B1 (en) * | 1999-07-19 | 2002-02-13 | Ecobags S R L | CAN WITH DUST PROTECTION AND ANTI-sabotage AND RELATED HEAT-SEALING SYSTEM. |
GB2461544B (en) * | 2008-07-03 | 2012-12-05 | Protomed Ltd | A heat sealing machine for a packaging system |
CN107814008B (en) * | 2017-11-30 | 2023-09-08 | 上海紫江彩印包装有限公司 | Heat sealing cutter, heat sealing device and use method of heat sealing device |
CN108039112B (en) * | 2018-01-05 | 2023-07-07 | 辽宁科技大学 | Hydraulic electromagnetic reversing valve demonstration teaching aid adopting organic glass valve body |
GB2574057A (en) * | 2018-05-25 | 2019-11-27 | Proseal Uk Ltd | Vacuum dome and vacuum skin packaging apparatus |
-
1972
- 1972-12-08 SE SE1601772A patent/SE367570B/xx unknown
-
1973
- 1973-12-04 ZA ZA739194A patent/ZA739194B/en unknown
- 1973-12-04 CA CA187,371A patent/CA1006428A/en not_active Expired
- 1973-12-05 IT IT6601273A patent/IT1001205B/en active
- 1973-12-05 FI FI374273A patent/FI53935C/en active
- 1973-12-05 GB GB5643873A patent/GB1423277A/en not_active Expired
- 1973-12-06 NO NO465873A patent/NO138618C/en unknown
- 1973-12-06 DE DE2360727A patent/DE2360727C3/en not_active Expired
- 1973-12-07 BE BE138634A patent/BE808363A/en not_active IP Right Cessation
- 1973-12-07 ES ES421282A patent/ES421282A1/en not_active Expired
- 1973-12-07 DD DD17518473A patent/DD107626A5/xx unknown
- 1973-12-07 PL PL1973167124A patent/PL91234B1/pl unknown
- 1973-12-07 SU SU7301978256A patent/SU580813A3/en active
- 1973-12-07 NL NL7316836A patent/NL179031B/en not_active IP Right Cessation
- 1973-12-07 FR FR7343699A patent/FR2209653B1/fr not_active Expired
- 1973-12-07 BR BR961273A patent/BR7309612D0/en unknown
- 1973-12-07 CS CS848173A patent/CS181259B2/en unknown
- 1973-12-07 AT AT1025373A patent/AT351250B/en not_active IP Right Cessation
- 1973-12-07 CH CH1718973A patent/CH559093A5/xx not_active IP Right Cessation
- 1973-12-08 JP JP14027373A patent/JPS557811B2/ja not_active Expired
- 1973-12-10 AR AR25143373A patent/AR202909A1/en active
- 1973-12-12 IN IN2710/CAL/73A patent/IN139014B/en unknown
Also Published As
Publication number | Publication date |
---|---|
BE808363A (en) | 1974-03-29 |
DD107626A5 (en) | 1974-08-12 |
CS181259B2 (en) | 1978-03-31 |
JPS557811B2 (en) | 1980-02-28 |
FI53935C (en) | 1978-09-11 |
ATA1025373A (en) | 1978-12-15 |
FR2209653A1 (en) | 1974-07-05 |
SU580813A3 (en) | 1977-11-15 |
FR2209653B1 (en) | 1977-08-19 |
SE367570B (en) | 1974-06-04 |
AT351250B (en) | 1979-07-10 |
JPS4999170A (en) | 1974-09-19 |
NL179031B (en) | 1986-02-03 |
CA1006428A (en) | 1977-03-08 |
IN139014B (en) | 1976-04-24 |
IT1001205B (en) | 1976-04-20 |
AU6334873A (en) | 1975-06-12 |
PL91234B1 (en) | 1977-02-28 |
NO138618B (en) | 1978-07-03 |
CH559093A5 (en) | 1975-02-28 |
NO138618C (en) | 1978-10-11 |
ZA739194B (en) | 1974-10-30 |
DE2360727A1 (en) | 1974-06-20 |
AR202909A1 (en) | 1975-07-31 |
BR7309612D0 (en) | 1974-09-05 |
DE2360727C3 (en) | 1980-11-06 |
NL7316836A (en) | 1974-06-11 |
DE2360727B2 (en) | 1980-03-20 |
GB1423277A (en) | 1976-02-04 |
FI53935B (en) | 1978-05-31 |
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