GB2228442B - Improvements in and relating to moulding techniques - Google Patents

Improvements in and relating to moulding techniques

Info

Publication number
GB2228442B
GB2228442B GB9003295A GB9003295A GB2228442B GB 2228442 B GB2228442 B GB 2228442B GB 9003295 A GB9003295 A GB 9003295A GB 9003295 A GB9003295 A GB 9003295A GB 2228442 B GB2228442 B GB 2228442B
Authority
GB
United Kingdom
Prior art keywords
relating
moulding techniques
moulding
techniques
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 - Lifetime
Application number
GB9003295A
Other versions
GB2228442A (en
GB9003295D0 (en
Inventor
John Edward William Taylor
Stephen Paul Green
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.)
Dunlop Ltd
Original Assignee
Dunlop 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 Dunlop Ltd filed Critical Dunlop Ltd
Publication of GB9003295D0 publication Critical patent/GB9003295D0/en
Publication of GB2228442A publication Critical patent/GB2228442A/en
Application granted granted Critical
Publication of GB2228442B publication Critical patent/GB2228442B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B29C33/0038—Moulds or cores; Details thereof or accessories therefor with sealing means or the like
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/28—Closure devices 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
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
GB9003295A 1989-02-15 1990-02-14 Improvements in and relating to moulding techniques Expired - Lifetime GB2228442B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898903421A GB8903421D0 (en) 1989-02-15 1989-02-15 Improvements in and relating to moulding techniques

Publications (3)

Publication Number Publication Date
GB9003295D0 GB9003295D0 (en) 1990-04-11
GB2228442A GB2228442A (en) 1990-08-29
GB2228442B true GB2228442B (en) 1992-10-28

Family

ID=10651739

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898903421A Pending GB8903421D0 (en) 1989-02-15 1989-02-15 Improvements in and relating to moulding techniques
GB9003295A Expired - Lifetime GB2228442B (en) 1989-02-15 1990-02-14 Improvements in and relating to moulding techniques

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898903421A Pending GB8903421D0 (en) 1989-02-15 1989-02-15 Improvements in and relating to moulding techniques

Country Status (5)

Country Link
JP (1) JPH02261616A (en)
AU (1) AU4935590A (en)
DE (1) DE4004774A1 (en)
FR (1) FR2643012A1 (en)
GB (2) GB8903421D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1005446A3 (en) * 1991-10-16 1993-07-27 Julien Philippe Mould for recycling apparatus
US6099769A (en) * 1997-12-15 2000-08-08 Husky Injection Molding Systems Ltd. Process for molding plastic articles
WO2010052747A2 (en) * 2008-11-07 2010-05-14 Luigi Astolfi Components of an injection plant for a material to be molded and related molding method
ITFI20080215A1 (en) * 2008-11-07 2010-05-08 Andrighetti Gabriele Per Il 25 "INJECTION NOZZLE FOR A MATERIAL TO BE PRINTED AND ITS RELATED MOLDING METHOD"
ITFI20080214A1 (en) * 2008-11-07 2010-05-08 Andrighetti Gabriele Per Il 25 "INJECTION SYSTEM FOR A MATERIAL TO PRINT AND ITS OPERATING METHOD"
CN113492489A (en) * 2021-07-30 2021-10-12 嘉善富亿德塑胶有限公司 Be used for bolt tip handling device that moulds plastics

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1131297A (en) * 1966-03-21 1968-10-23 Compo Shoe Machinery Corp Improvements in injection mould assemblies

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB344814A (en) * 1929-12-05 1931-03-05 Everlasting Valve Co Improvements in valves
US3255493A (en) * 1962-08-24 1966-06-14 United Shoe Machinery Corp Mold for injection molding a shoe sole
GB1325140A (en) * 1969-04-24 1973-08-01 British United Shoe Machinery Moulding of shoe bottom units
US3743465A (en) * 1972-01-03 1973-07-03 Jamco Inc Cut-off gate for mold
FR2634157B1 (en) * 1988-07-15 1991-07-26 Casati Francois METHOD AND DEVICE FOR MANUFACTURING UPHOLSTERED OBJECTS BY MOLDING

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1131297A (en) * 1966-03-21 1968-10-23 Compo Shoe Machinery Corp Improvements in injection mould assemblies

Also Published As

Publication number Publication date
DE4004774A1 (en) 1990-08-16
GB2228442A (en) 1990-08-29
AU4935590A (en) 1990-08-23
GB9003295D0 (en) 1990-04-11
FR2643012A1 (en) 1990-08-17
JPH02261616A (en) 1990-10-24
GB8903421D0 (en) 1989-04-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940214