GB591763A - Improvements in the manufacture of a rubber or rubber-like product - Google Patents

Improvements in the manufacture of a rubber or rubber-like product

Info

Publication number
GB591763A
GB591763A GB127243A GB127243A GB591763A GB 591763 A GB591763 A GB 591763A GB 127243 A GB127243 A GB 127243A GB 127243 A GB127243 A GB 127243A GB 591763 A GB591763 A GB 591763A
Authority
GB
United Kingdom
Prior art keywords
mould
rubber
sheet
compound
envelope
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
GB127243A
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB591763A publication Critical patent/GB591763A/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
    • B29C44/02—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
    • B29C44/146—Shaping the lining 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
    • B29C44/02—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
    • 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

  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

591,763. Moulding cellular expanded rubber. CLEAVER, R. L. (Urmston, J.). Jan. 25, 1943, No. 1272. [Class 87 (ii)] A cellular expandedrubber body with an adherent non - cellular rubber envelope is made by lining a mould with unvulcanized rubber sheet, placing therein a body of unvulcanized rubber compound containing a blowing agent, closing the mould to unite by pressure the sheet at the edges of the mould, removing the surplus sheet, transferring the sheet-rubber envelope containing the compound to a larger mould, and heating the mould to expand and vulcanize the compound and envelope. The mould part 10, 11, Fig. 3, are lined with unvulcanized rubber sheets 13, 14 by suction through vacuum pumps 15, the mould parts are separated, the mould cavity is filled with compound, and the mould parts are then pressed together. The rubber lining is then severed from the surrounding parts of the sheet either by the pressure of the mould edges or by a separate trimming operation. The resulting compound-filled envelope is then placed in a larger mould and heated; on removal from this second mould the article expands further and may be subjected to a third moulding (and stabilizing) step in a mould 21, Fig. 6, lined with metallic gauze 22.
GB127243A 1943-01-25 Improvements in the manufacture of a rubber or rubber-like product Expired GB591763A (en)

Publications (1)

Publication Number Publication Date
GB591763A true GB591763A (en) 1947-08-28

Family

ID=1626737

Family Applications (1)

Application Number Title Priority Date Filing Date
GB127243A Expired GB591763A (en) 1943-01-25 Improvements in the manufacture of a rubber or rubber-like product

Country Status (1)

Country Link
GB (1) GB591763A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103552245A (en) * 2013-11-13 2014-02-05 宁波市鄞州科启动漫工业技术有限公司 Method for forming honeycomb rubber product
GB2526632A (en) * 2014-06-24 2015-12-02 Gecko Rubber Ltd Improvements in and relating to expanded rubber articles

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103552245A (en) * 2013-11-13 2014-02-05 宁波市鄞州科启动漫工业技术有限公司 Method for forming honeycomb rubber product
GB2526632A (en) * 2014-06-24 2015-12-02 Gecko Rubber Ltd Improvements in and relating to expanded rubber articles
GB2526632B (en) * 2014-06-24 2016-04-13 Gecko Rubber Ltd Improvements in and relating to expanded rubber articles
GB2532818A (en) * 2014-06-24 2016-06-01 Gecko Rubber Ltd Improvements in and relating to expanded rubber articles
EP3161045A1 (en) * 2014-06-24 2017-05-03 Gecko Rubber Limited Improvements in and relating to expanded rubber articles
US10118443B2 (en) 2014-06-24 2018-11-06 Gecko Rubber Limited Expanded rubber articles
US10486469B2 (en) 2014-06-24 2019-11-26 Gecko Rubber Limited Expanded rubber articles
GB2532818B (en) * 2014-06-24 2021-05-26 Gecko Rubber Ltd Improvements in and relating to expanded rubber articles
EP3161045B1 (en) * 2014-06-24 2022-01-05 Gecko Rubber Limited Improvements in and relating to expanded rubber articles

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