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GB667861A - Venting of foamed latex molds - Google Patents

Venting of foamed latex molds

Info

Publication number
GB667861A
GB667861A GB1539/50A GB153950A GB667861A GB 667861 A GB667861 A GB 667861A GB 1539/50 A GB1539/50 A GB 1539/50A GB 153950 A GB153950 A GB 153950A GB 667861 A GB667861 A GB 667861A
Authority
GB
United Kingdom
Prior art keywords
venting
foamed latex
grooves
molds
latex molds
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
GB1539/50A
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.)
Wingfoot Corp
Original Assignee
Wingfoot Corp
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 Wingfoot Corp filed Critical Wingfoot Corp
Publication of GB667861A publication Critical patent/GB667861A/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
    • B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Buffer Packaging (AREA)

Abstract

667,861. Moulding foamed latex into cushions &c. WINGFOOT CORPORATION. Jan. 20, 1950. [Aug. 4, 1949] No. 1539/50. Class 87(ii). Air escape grooves 8, 9 are formed in the underside of the mould cover 4 that carries the core pins 5. The pins also may have grooves 10 which communicate with the grooves 8, 9.
GB1539/50A 1949-08-04 1950-01-20 Venting of foamed latex molds Expired GB667861A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US667861XA 1949-08-04 1949-08-04

Publications (1)

Publication Number Publication Date
GB667861A true GB667861A (en) 1952-03-12

Family

ID=22071690

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1539/50A Expired GB667861A (en) 1949-08-04 1950-01-20 Venting of foamed latex molds

Country Status (1)

Country Link
GB (1) GB667861A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2242644A (en) * 1990-04-02 1991-10-09 Outboard Marine Corp Apparatus for molding lost foam pattern sections
GB2288145A (en) * 1994-04-07 1995-10-11 Ikeda Bussan Co Mould tool having grooved surface for venting of gases
US7481637B2 (en) 2004-05-12 2009-01-27 Woodbridge Foam Corporation Vented mold and method for producing molded article

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2242644A (en) * 1990-04-02 1991-10-09 Outboard Marine Corp Apparatus for molding lost foam pattern sections
GB2242644B (en) * 1990-04-02 1993-07-21 Outboard Marine Corp Apparatus for molding lost foam pattern sections
GB2288145A (en) * 1994-04-07 1995-10-11 Ikeda Bussan Co Mould tool having grooved surface for venting of gases
GB2288145B (en) * 1994-04-07 1997-11-12 Ikeda Bussan Co Mold unit
US7481637B2 (en) 2004-05-12 2009-01-27 Woodbridge Foam Corporation Vented mold and method for producing molded article
EP1750917A4 (en) * 2004-05-12 2009-11-18 Woodbridge Foam Corp Vented mold and method for producing molded article
US7878785B2 (en) 2004-05-12 2011-02-01 Proprietect L.P. Vented mold and method for producing molded article
EP2487018A1 (en) * 2004-05-12 2012-08-15 Proprietect L.P. Vented mold and method for producing molded article
EP2487019A1 (en) * 2004-05-12 2012-08-15 Proprietect L.P. Vented mold
US8850644B2 (en) 2004-05-12 2014-10-07 Proprietect L.P. Molded article produced by vented mold
US9669569B2 (en) 2004-05-12 2017-06-06 Proprietect L.P. Vented mold and method for producing molded article

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