DE2235957A1 - Verfahren zur herstellung geformter gegenstaende - Google Patents

Verfahren zur herstellung geformter gegenstaende

Info

Publication number
DE2235957A1
DE2235957A1 DE2235957A DE2235957A DE2235957A1 DE 2235957 A1 DE2235957 A1 DE 2235957A1 DE 2235957 A DE2235957 A DE 2235957A DE 2235957 A DE2235957 A DE 2235957A DE 2235957 A1 DE2235957 A1 DE 2235957A1
Authority
DE
Germany
Prior art keywords
foam
outer skins
temperature
polymer
compressed
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.)
Pending
Application number
DE2235957A
Other languages
German (de)
English (en)
Inventor
Richard George Henbest
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of DE2235957A1 publication Critical patent/DE2235957A1/de
Pending 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3492—Expanding without a foaming agent
    • B29C44/3496—The foam being compressed and later released to expand
    • 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
    • B29C44/10—Applying counter-pressure during expanding
    • 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
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/14—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed part being a lining
    • B29C44/16—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed part being a lining shaped by the expansion of the material
    • 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
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • 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
    • B29K2105/25—Solid
    • B29K2105/253—Preform
    • B29K2105/255—Blocks or tablets
    • 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
    • B29K2105/25—Solid
    • B29K2105/253—Preform
    • B29K2105/256—Sheets, plates, blanks or films

Landscapes

  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
DE2235957A 1971-07-21 1972-07-21 Verfahren zur herstellung geformter gegenstaende Pending DE2235957A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3418771 1971-07-21
GB3641371 1971-08-03

Publications (1)

Publication Number Publication Date
DE2235957A1 true DE2235957A1 (de) 1973-02-01

Family

ID=26262195

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2235957A Pending DE2235957A1 (de) 1971-07-21 1972-07-21 Verfahren zur herstellung geformter gegenstaende

Country Status (6)

Country Link
JP (1) JPS4828573A (enExample)
AU (1) AU4472272A (enExample)
DE (1) DE2235957A1 (enExample)
FR (1) FR2146447A1 (enExample)
IT (1) IT963216B (enExample)
NL (1) NL7210107A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0047229A3 (en) * 1980-09-01 1982-05-19 Ciba-Geigy Ag Layered product with a sandwich structure for making rigid shaped articles
AT383308B (de) * 1983-03-22 1987-06-25 Greiner Kg Verfahren zum herstellen von zumindest teilweise mit einem textilbezug versehenen polyurethan-weichschaumstoff-praegeteilen

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2625773B2 (de) * 1976-06-09 1981-04-30 Volkswagenwerk Ag, 3180 Wolfsburg Verfahren zum Herstellen einer eine Oberflächenstruktur aufweisenden Verkleidung
JPS53149007A (en) * 1977-05-31 1978-12-26 Victor Co Of Japan Ltd Magnetic tape running deive system for magnetic recording and reproducing apparatus
US4224645B1 (en) * 1978-02-03 1999-08-03 Ampex Method and apparatus for controlling the movement of a recording medium
FR2540427A1 (fr) * 1983-02-08 1984-08-10 Sanson Joseph Procede de fabrication de coussins en mousse elastique de matiere plastique
JPS62248629A (ja) * 1986-02-24 1987-10-29 モンサント・コンパニ− 熱成形性積層構造物およびその製造方法
US5992500A (en) * 1996-04-16 1999-11-30 Cmi International, Inc. Method of making a casting having a low density insert
ITMC20060026A1 (it) * 2006-03-15 2007-09-16 Me S R L Sa Procedimento per la realizzazione di pannelli o materassini multistrato isolanti termo-acustici.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0047229A3 (en) * 1980-09-01 1982-05-19 Ciba-Geigy Ag Layered product with a sandwich structure for making rigid shaped articles
AT383308B (de) * 1983-03-22 1987-06-25 Greiner Kg Verfahren zum herstellen von zumindest teilweise mit einem textilbezug versehenen polyurethan-weichschaumstoff-praegeteilen

Also Published As

Publication number Publication date
FR2146447A1 (en) 1973-03-02
JPS4828573A (enExample) 1973-04-16
AU4472272A (en) 1974-01-24
FR2146447B1 (enExample) 1976-08-06
NL7210107A (enExample) 1973-01-23
IT963216B (it) 1974-01-10

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Legal Events

Date Code Title Description
OHJ Non-payment of the annual fee