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GB669819A - Improvement in injection moulding processes - Google Patents

Improvement in injection moulding processes

Info

Publication number
GB669819A
GB669819A GB5880/48A GB588048A GB669819A GB 669819 A GB669819 A GB 669819A GB 5880/48 A GB5880/48 A GB 5880/48A GB 588048 A GB588048 A GB 588048A GB 669819 A GB669819 A GB 669819A
Authority
GB
United Kingdom
Prior art keywords
improvement
injection moulding
moulding processes
group
injection
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
GB5880/48A
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
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 Individual filed Critical Individual
Publication of GB669819A publication Critical patent/GB669819A/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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/56—Stoppers or lids for bottles, jars, or the like, e.g. closures
    • B29L2031/565—Stoppers or lids for bottles, jars, or the like, e.g. closures for containers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

669,819. Bottle caps. GRAVESEN, C. C. Feb. 26, 1948. [Dec. 3, 1946] No. 5880/48. Drawings to Specification. Class 125(iii). [Also in Group V] An injection-moulded bottle cap (see Group V) comprises a cup-shaped member provided on its inside with circumferentially interrupted screw threads and on the inside face of its closed end with a recess and a disc of cork or the like.
GB5880/48A 1946-12-03 1948-02-26 Improvement in injection moulding processes Expired GB669819A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK669819X 1946-12-03

Publications (1)

Publication Number Publication Date
GB669819A true GB669819A (en) 1952-04-09

Family

ID=8152141

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5880/48A Expired GB669819A (en) 1946-12-03 1948-02-26 Improvement in injection moulding processes

Country Status (1)

Country Link
GB (1) GB669819A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2808620A (en) * 1953-12-31 1957-10-08 Owens Illinois Glass Co Machines for molding plastic articles
FR2429662A1 (en) * 1978-06-27 1980-01-25 Biga Charles Plastic mouldings for assembly of hollow globes or geometric bodies - have thin walls to avoid material costs, moulding costs and shrinkage problems associated with solid bulbous mouldings
US4941642A (en) * 1987-10-09 1990-07-17 Kurt Stoll Mold construction comprising a plurality of mold portions

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2808620A (en) * 1953-12-31 1957-10-08 Owens Illinois Glass Co Machines for molding plastic articles
FR2429662A1 (en) * 1978-06-27 1980-01-25 Biga Charles Plastic mouldings for assembly of hollow globes or geometric bodies - have thin walls to avoid material costs, moulding costs and shrinkage problems associated with solid bulbous mouldings
US4941642A (en) * 1987-10-09 1990-07-17 Kurt Stoll Mold construction comprising a plurality of mold portions

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