GB380721A - Improvements relating to moulds for use in the vulcanization of vehicle tyres or similar articles - Google Patents

Improvements relating to moulds for use in the vulcanization of vehicle tyres or similar articles

Info

Publication number
GB380721A
GB380721A GB6539/32A GB653932A GB380721A GB 380721 A GB380721 A GB 380721A GB 6539/32 A GB6539/32 A GB 6539/32A GB 653932 A GB653932 A GB 653932A GB 380721 A GB380721 A GB 380721A
Authority
GB
United Kingdom
Prior art keywords
recesses
mould
shoulders
matrices
moulds
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
GB6539/32A
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.)
Goodyear Tire and Rubber Co
Original Assignee
Goodyear Tire and Rubber Co
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 Goodyear Tire and Rubber Co filed Critical Goodyear Tire and Rubber Co
Publication of GB380721A publication Critical patent/GB380721A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/10—Frogs
    • E01B7/12—Fixed frogs made of one part or composite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
    • B29D30/0606—Vulcanising moulds not integral with vulcanising presses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

380,721. Moulding wheel tyres &c. GOODYEAR TIRE & RUBBER CO., 1144, East Market Street, Akron, Ohio, U.S.A. March 4, 1932, No. 6539. Convention date, June 17, 1931. [Class 87 (ii).] In moulds, more especially for wheel tyres, of the kind provided with annular recesses into which shoulders on segmental tread - forming matrices fit, the shoulders or recesses or both are tapered to effect a wedging action, thus securing the matrices in the mould so that they will not buckle or become loose or displaced during the operations of vulcanizing and removal of the tyre. The mould comprises two parts 10, 11 fitted with registering flanges 14 and connected by bolts 16. The outer ends of the matrices 18 are flanged and are secured in recesses in the mould walls by screws 44 acting in conjunction with rings 43. The wedge-shaped inner ends 33 are forced into the wedge-shaped annular recesses 23 until the shoulders 39 abut against the upper edge 30 of the recess. The recesses are set at such an angle to the axis of the mould that tightening of the screws 44 automatically forces the ends 33 into the recess.
GB6539/32A 1931-06-17 1932-03-04 Improvements relating to moulds for use in the vulcanization of vehicle tyres or similar articles Expired GB380721A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US380721XA 1931-06-17 1931-06-17

Publications (1)

Publication Number Publication Date
GB380721A true GB380721A (en) 1932-09-22

Family

ID=21897938

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6539/32A Expired GB380721A (en) 1931-06-17 1932-03-04 Improvements relating to moulds for use in the vulcanization of vehicle tyres or similar articles

Country Status (2)

Country Link
FR (1) FR380721A (en)
GB (1) GB380721A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0222958A2 (en) * 1984-10-19 1987-05-27 The Goodyear Tire & Rubber Company Light weight tire mold for two piece tread ring

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0222958A2 (en) * 1984-10-19 1987-05-27 The Goodyear Tire & Rubber Company Light weight tire mold for two piece tread ring
EP0222958A3 (en) * 1984-10-19 1988-04-27 The Goodyear Tire & Rubber Company Light weight tire mold for two piece tread ring

Also Published As

Publication number Publication date
FR380721A (en) 1907-12-16

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