IT963216B - Processo di formatura di materia le espanso - Google Patents

Processo di formatura di materia le espanso

Info

Publication number
IT963216B
IT963216B IT27236/72A IT2723672A IT963216B IT 963216 B IT963216 B IT 963216B IT 27236/72 A IT27236/72 A IT 27236/72A IT 2723672 A IT2723672 A IT 2723672A IT 963216 B IT963216 B IT 963216B
Authority
IT
Italy
Prior art keywords
forming process
material forming
expanded material
expanded
forming
Prior art date
Application number
IT27236/72A
Other languages
English (en)
Original Assignee
Ici 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 Ici Ltd filed Critical Ici Ltd
Application granted granted Critical
Publication of IT963216B publication Critical patent/IT963216B/it

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
IT27236/72A 1971-07-21 1972-07-20 Processo di formatura di materia le espanso IT963216B (it)

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
IT963216B true IT963216B (it) 1974-01-10

Family

ID=26262195

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27236/72A IT963216B (it) 1971-07-21 1972-07-20 Processo di formatura di materia le espanso

Country Status (6)

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

Families Citing this family (9)

* 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
EP0047229B1 (de) * 1980-09-01 1984-09-26 Ciba-Geigy Ag Herstellung von gekrümmten steifen Formteilen
FR2540427A1 (fr) * 1983-02-08 1984-08-10 Sanson Joseph Procede de fabrication de coussins en mousse elastique de matiere plastique
AT383308B (de) * 1983-03-22 1987-06-25 Greiner Kg Verfahren zum herstellen von zumindest teilweise mit einem textilbezug versehenen polyurethan-weichschaumstoff-praegeteilen
KR900003805B1 (ko) * 1986-02-24 1990-05-31 몬산토 컴파니 열성형성을 갖는 라미네이트 구조체
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.

Also Published As

Publication number Publication date
NL7210107A (it) 1973-01-23
FR2146447B1 (it) 1976-08-06
AU4472272A (en) 1974-01-24
JPS4828573A (it) 1973-04-16
DE2235957A1 (de) 1973-02-01
FR2146447A1 (en) 1973-03-02

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