GB1409418A - Method of manufacturing moulded cellular plastics articles - Google Patents

Method of manufacturing moulded cellular plastics articles

Info

Publication number
GB1409418A
GB1409418A GB2603572A GB2603572A GB1409418A GB 1409418 A GB1409418 A GB 1409418A GB 2603572 A GB2603572 A GB 2603572A GB 2603572 A GB2603572 A GB 2603572A GB 1409418 A GB1409418 A GB 1409418A
Authority
GB
United Kingdom
Prior art keywords
mould
lining
cellular plastics
article
cellular
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
GB2603572A
Other languages
English (en)
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.)
Clifford Covering Co Ltd
Original Assignee
Clifford Covering 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 Clifford Covering Co Ltd filed Critical Clifford Covering Co Ltd
Priority to GB2603572A priority Critical patent/GB1409418A/en
Priority to DE19732327421 priority patent/DE2327421A1/de
Priority to FR7319780A priority patent/FR2187528B3/fr
Priority to IT6861073A priority patent/IT985980B/it
Publication of GB1409418A publication Critical patent/GB1409418A/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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • B29C33/68—Release sheets
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/40—Plastics, e.g. foam or rubber
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/48—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling
    • B29C33/50—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling elastic or flexible
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/04—Combined thermoforming and prestretching, e.g. biaxial stretching
    • B29C51/06—Combined thermoforming and prestretching, e.g. biaxial stretching using pressure difference for prestretching
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
GB2603572A 1972-06-03 1972-06-03 Method of manufacturing moulded cellular plastics articles Expired GB1409418A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB2603572A GB1409418A (en) 1972-06-03 1972-06-03 Method of manufacturing moulded cellular plastics articles
DE19732327421 DE2327421A1 (de) 1972-06-03 1973-05-29 Verfahren zur herstellung von zellenaehnlichen kunststoffartikeln und formeinlage zur durchfuehrung des verfahrens
FR7319780A FR2187528B3 (https=) 1972-06-03 1973-05-30
IT6861073A IT985980B (it) 1972-06-03 1973-06-01 Procedimento per fabbricare arti coli stampati e rivestimento di modellatura usato in detto proce dimento

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2603572A GB1409418A (en) 1972-06-03 1972-06-03 Method of manufacturing moulded cellular plastics articles

Publications (1)

Publication Number Publication Date
GB1409418A true GB1409418A (en) 1975-10-08

Family

ID=10237328

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2603572A Expired GB1409418A (en) 1972-06-03 1972-06-03 Method of manufacturing moulded cellular plastics articles

Country Status (4)

Country Link
DE (1) DE2327421A1 (https=)
FR (1) FR2187528B3 (https=)
GB (1) GB1409418A (https=)
IT (1) IT985980B (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4255369A (en) * 1979-09-10 1981-03-10 Nash Manufacturing, Inc. Method of constructing a water ski foot support
GB2447021A (en) * 2007-02-27 2008-09-03 Rolls Royce Plc Mould lining with discontinuities

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4255369A (en) * 1979-09-10 1981-03-10 Nash Manufacturing, Inc. Method of constructing a water ski foot support
GB2447021A (en) * 2007-02-27 2008-09-03 Rolls Royce Plc Mould lining with discontinuities
GB2447021B (en) * 2007-02-27 2010-03-17 Rolls Royce Plc A mould lining
US7867423B2 (en) 2007-02-27 2011-01-11 Rolls-Royce Plc Mould lining

Also Published As

Publication number Publication date
IT985980B (it) 1974-12-30
DE2327421A1 (de) 1973-12-13
FR2187528A1 (https=) 1974-01-18
FR2187528B3 (https=) 1976-05-21

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee