GB527736A - Improvements in the production of gas-expanded rubber material or rubber-like material - Google Patents

Improvements in the production of gas-expanded rubber material or rubber-like material

Info

Publication number
GB527736A
GB527736A GB1151139A GB1151139A GB527736A GB 527736 A GB527736 A GB 527736A GB 1151139 A GB1151139 A GB 1151139A GB 1151139 A GB1151139 A GB 1151139A GB 527736 A GB527736 A GB 527736A
Authority
GB
United Kingdom
Prior art keywords
rubber
expanded
gas
production
expanded rubber
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
Application number
GB1151139A
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.)
Expanded Rubber Co Ltd
Original Assignee
Expanded Rubber Co 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 Expanded Rubber Co Ltd filed Critical Expanded Rubber Co Ltd
Priority to GB1151139A priority Critical patent/GB527736A/en
Publication of GB527736A publication Critical patent/GB527736A/en
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
    • 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
    • B29C44/3488—Vulcanizing the material before foaming
    • 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
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • B29C44/3446—Feeding the blowing agent
    • 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

Landscapes

  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

527,736. Expanded rubber. EXPANDED RUBBER CO., Ltd., and COOPER, A. April 15, 1939, No. 11511. [Class 70] The process for the production of closed-cell gas-expanded rubber or rubber-like material described in Specification 358,967 is modified by the partially vulcanized and expanded material being heated at 110-120‹C. to expand it almost to the size of the curing mould before it is placed therein for the final heating. The mould is cooled before being opened, to prevent the bursting of the gas cells which might otherwise occur.
GB1151139A 1939-04-15 1939-04-15 Improvements in the production of gas-expanded rubber material or rubber-like material Expired GB527736A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1151139A GB527736A (en) 1939-04-15 1939-04-15 Improvements in the production of gas-expanded rubber material or rubber-like material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1151139A GB527736A (en) 1939-04-15 1939-04-15 Improvements in the production of gas-expanded rubber material or rubber-like material

Publications (1)

Publication Number Publication Date
GB527736A true GB527736A (en) 1940-10-15

Family

ID=9987589

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1151139A Expired GB527736A (en) 1939-04-15 1939-04-15 Improvements in the production of gas-expanded rubber material or rubber-like material

Country Status (1)

Country Link
GB (1) GB527736A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1076369B (en) * 1955-11-03 1960-02-25 Basf Ag Process for the preparation of polymerization products from olefinically unsaturated compounds

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1076369B (en) * 1955-11-03 1960-02-25 Basf Ag Process for the preparation of polymerization products from olefinically unsaturated compounds

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