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IT1104292B - PROCEDURE FOR THE COUPLING OF EXPANDED THERMOPLASTIC RESIN LEAVES, AND COMPOSITE PANEL OBTAINED BY THAT PROCEDURE - Google Patents

PROCEDURE FOR THE COUPLING OF EXPANDED THERMOPLASTIC RESIN LEAVES, AND COMPOSITE PANEL OBTAINED BY THAT PROCEDURE

Info

Publication number
IT1104292B
IT1104292B IT528278A IT528278A IT1104292B IT 1104292 B IT1104292 B IT 1104292B IT 528278 A IT528278 A IT 528278A IT 528278 A IT528278 A IT 528278A IT 1104292 B IT1104292 B IT 1104292B
Authority
IT
Italy
Prior art keywords
procedure
coupling
thermoplastic resin
composite panel
panel obtained
Prior art date
Application number
IT528278A
Other languages
Italian (it)
Other versions
IT7805282A0 (en
Inventor
Maio Raffaele Di
Original Assignee
Stirofilm Spa
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 Stirofilm Spa filed Critical Stirofilm Spa
Publication of IT7805282A0 publication Critical patent/IT7805282A0/en
Priority to IT528278A priority Critical patent/IT1104292B/en
Priority to NO793328A priority patent/NO155652C/en
Priority to GB7935878A priority patent/GB2044672B/en
Priority to DK435579A priority patent/DK150978C/en
Priority to AT675679A priority patent/AT367348B/en
Priority to SE7908575A priority patent/SE430967B/en
Priority to CH938179A priority patent/CH635776A5/en
Priority to BE0/197771A priority patent/BE879571A/en
Priority to GR60318A priority patent/GR66671B/el
Priority to DE2943588A priority patent/DE2943588C2/en
Priority to NL7908336A priority patent/NL185757C/en
Priority to ES485983A priority patent/ES485983A1/en
Priority to FR7930509A priority patent/FR2443928A1/en
Application granted granted Critical
Publication of IT1104292B publication Critical patent/IT1104292B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/03—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers with respect to the orientation of features
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/08—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles using several expanding or moulding steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/03—After-treatments in the joint area
    • B29C66/034—Thermal after-treatments
    • B29C66/0342—Cooling, e.g. transporting through welding and cooling zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/45—Joining of substantially the whole surface of the articles
    • 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
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B29C66/83413—Roller, cylinder or drum types cooperating rollers, cylinders or drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/04—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/32—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • 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
    • B29C66/723—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 multi-layered
    • B29C66/7232—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 multi-layered comprising a non-plastics layer
    • B29C66/72327—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 multi-layered comprising a non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
    • B29C66/72328—Paper
    • 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
    • B29L2009/00—Layered products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B2038/0052—Other operations not otherwise provided for
    • B32B2038/0088—Expanding, swelling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/022—Foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/72—Density
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/08—Dimensions, e.g. volume
    • B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
    • B32B2309/105—Thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00—Walls, panels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Sealing Material Composition (AREA)
  • Adhesives Or Adhesive Processes (AREA)
IT528278A 1978-12-12 1978-12-12 PROCEDURE FOR THE COUPLING OF EXPANDED THERMOPLASTIC RESIN LEAVES, AND COMPOSITE PANEL OBTAINED BY THAT PROCEDURE IT1104292B (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
IT528278A IT1104292B (en) 1978-12-12 1978-12-12 PROCEDURE FOR THE COUPLING OF EXPANDED THERMOPLASTIC RESIN LEAVES, AND COMPOSITE PANEL OBTAINED BY THAT PROCEDURE
NO793328A NO155652C (en) 1978-12-12 1979-10-16 PROCEDURE FOR CONTINUOUS PREPARATION OF A PLATE BY CONNECTION OF TWO OR MORE COATS OF EXPANDED THERMOPLASTIC RESIN.
GB7935878A GB2044672B (en) 1978-12-12 1979-10-16 Laminating process and apparatus
DK435579A DK150978C (en) 1978-12-12 1979-10-16 PROCEDURE FOR CONTINUOUS PREPARATION OF A PLATE OF AT LEAST TWO LAYERS OF THERMOPLASTIC EXPANDED SUBSTANCES
AT675679A AT367348B (en) 1978-12-12 1979-10-17 METHOD FOR THE CONTINUOUS PRODUCTION OF PLATE-SHAPED LAMINATES
SE7908575A SE430967B (en) 1978-12-12 1979-10-17 CONTINUOUS PROCEDURE FOR ASTAD COMMUNICATION OF A SHEET OF FOAMED THERMOPLAST HEART
CH938179A CH635776A5 (en) 1978-12-12 1979-10-18 PROCEDURE FOR THE COUPLING OF EXPANDED THERMOPLASTIC RESIN LEAVES, AND COMPOSITE PANEL OBTAINED BY THAT PROCEDURE.
BE0/197771A BE879571A (en) 1978-12-12 1979-10-22 PROCESS AND INSTALLATION FOR JOINING EXPANDED THERMOPLASTIC RESIN SHEETS AND COMPOSITE PANEL OBTAINED USING THE SAME
GR60318A GR66671B (en) 1978-12-12 1979-10-23
DE2943588A DE2943588C2 (en) 1978-12-12 1979-10-29 Process for the continuous production of a plate from at least two layers of thermoplastic expanded plastic
NL7908336A NL185757C (en) 1978-12-12 1979-11-14 METHOD FOR MANUFACTURING LAMINATES OF EXPANDED THERMOPLASTIC PLASTICS
ES485983A ES485983A1 (en) 1978-12-12 1979-11-15 Laminating Process and Apparatus
FR7930509A FR2443928A1 (en) 1978-12-12 1979-12-12 PROCESS AND INSTALLATION FOR JOINING EXPANDED THERMOPLASTIC RESIN SHEETS AND COMPOSITE PANEL OBTAINED USING THE SAME

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT528278A IT1104292B (en) 1978-12-12 1978-12-12 PROCEDURE FOR THE COUPLING OF EXPANDED THERMOPLASTIC RESIN LEAVES, AND COMPOSITE PANEL OBTAINED BY THAT PROCEDURE

Publications (2)

Publication Number Publication Date
IT7805282A0 IT7805282A0 (en) 1978-12-12
IT1104292B true IT1104292B (en) 1985-10-21

Family

ID=11120142

Family Applications (1)

Application Number Title Priority Date Filing Date
IT528278A IT1104292B (en) 1978-12-12 1978-12-12 PROCEDURE FOR THE COUPLING OF EXPANDED THERMOPLASTIC RESIN LEAVES, AND COMPOSITE PANEL OBTAINED BY THAT PROCEDURE

Country Status (13)

Country Link
AT (1) AT367348B (en)
BE (1) BE879571A (en)
CH (1) CH635776A5 (en)
DE (1) DE2943588C2 (en)
DK (1) DK150978C (en)
ES (1) ES485983A1 (en)
FR (1) FR2443928A1 (en)
GB (1) GB2044672B (en)
GR (1) GR66671B (en)
IT (1) IT1104292B (en)
NL (1) NL185757C (en)
NO (1) NO155652C (en)
SE (1) SE430967B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3635049A1 (en) * 1986-10-15 1988-04-28 Pegulan Werke Ag METHOD FOR PRODUCING A DRAWABLE FOAM COMPOSITE FILM
DE19755940A1 (en) * 1997-12-16 1999-06-24 Armstrong Insulation Products Process for the production of a thermally insulating sheet material
US9296126B2 (en) 2003-05-17 2016-03-29 Microgreen Polymers, Inc. Deep drawn microcellularly foamed polymeric containers made via solid-state gas impregnation thermoforming
DK2428358T3 (en) 2007-01-17 2015-06-15 Microgreen Polymers Inc A process for the production of a multilayer foamed polymeric article
US8568125B2 (en) 2008-04-14 2013-10-29 Microgreen Polymers Inc. Roll fed flotation/impingement air ovens and related thermoforming systems for corrugation-free heating and expanding of gas impregnated thermoplastic webs
GB2474431B (en) * 2009-10-13 2012-10-31 Gurit Uk Ltd Production of extruded foam
CA2795961A1 (en) 2010-04-19 2011-10-27 Krishna Nadella A method for joining thermoplastic polymer material
US20130302547A1 (en) * 2011-01-27 2013-11-14 Krishna V. Nadella Microstructure for fusion bonded thermoplastic polymer material, and related methods
US9914247B2 (en) 2012-02-29 2018-03-13 Dart Container Corporation Method for infusing a gas into a thermoplastic material, and related systems
CN104487239A (en) 2012-05-22 2015-04-01 欧文斯科宁知识产权资产有限公司 Laminated foam product and method of making laminated foam product
WO2014110594A1 (en) 2013-01-14 2014-07-17 Microgreen Polymers, Inc. Systems for unwinding a roll of thermoplastic material interleaved with a porous material, and related methods
CN108859131A (en) * 2018-06-05 2018-11-23 浙江乍浦塑料制品有限公司 A kind of hollow plate automatic manufacturing device and its production technology

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7100165U (en) * 1971-06-03 Lavorazione Materie Plastische Lmp Spa Composite film made of foamed plastic layers
DE1504917A1 (en) * 1963-05-29 1969-04-03 Rudolf Schoebel Resilient floor or wall covering
DE2114446A1 (en) * 1971-03-25 1972-09-28 Metallgesellschaft Ag Foam with dense skin - on both sides produced by joining two foam layers externally cooled

Also Published As

Publication number Publication date
GB2044672B (en) 1983-04-20
BE879571A (en) 1980-02-15
DE2943588C2 (en) 1984-10-18
NO155652C (en) 1987-05-06
NO155652B (en) 1986-01-26
CH635776A5 (en) 1983-04-29
GR66671B (en) 1981-04-08
DK435579A (en) 1980-06-13
NL185757C (en) 1990-07-16
SE7908575L (en) 1980-06-13
DK150978C (en) 1988-02-22
NL7908336A (en) 1980-06-16
NO793328L (en) 1980-06-13
ATA675679A (en) 1981-11-15
AT367348B (en) 1982-06-25
DE2943588A1 (en) 1980-06-26
GB2044672A (en) 1980-10-22
IT7805282A0 (en) 1978-12-12
FR2443928B1 (en) 1984-04-27
FR2443928A1 (en) 1980-07-11
SE430967B (en) 1983-12-27
ES485983A1 (en) 1980-09-01
DK150978B (en) 1987-10-05

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19951222