GB1520288A - Method of bonding a tread strip to a tyre body - Google Patents

Method of bonding a tread strip to a tyre body

Info

Publication number
GB1520288A
GB1520288A GB4342575A GB4342575A GB1520288A GB 1520288 A GB1520288 A GB 1520288A GB 4342575 A GB4342575 A GB 4342575A GB 4342575 A GB4342575 A GB 4342575A GB 1520288 A GB1520288 A GB 1520288A
Authority
GB
United Kingdom
Prior art keywords
tread
tread strip
bonding
cover
tire
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
GB4342575A
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.)
Bridgestone Bandag LLC
Original Assignee
Bandag Inc
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 Bandag Inc filed Critical Bandag Inc
Priority to GB4342575A priority Critical patent/GB1520288A/en
Publication of GB1520288A publication Critical patent/GB1520288A/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
    • 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)
    • B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
    • B29D30/54—Retreading
    • B29D30/542—Retreading using envelopes or membranes provided with sealings for curing
    • 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)
    • B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
    • B29D30/54—Retreading
    • B29D30/56—Retreading with prevulcanised tread
    • 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)
    • B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
    • B29D30/54—Retreading
    • B29D2030/545—Using chambers to apply heat and pressure, e.g. autoclaves for curing the retreaded tyres

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tyre Moulding (AREA)

Abstract

1520288 Bonding tread strips to tire bodies BANDAG Inc 22 Oct 1975 43425/75 Heading B7C In a method of bonding a procured tread strip 116 to a tire body by means of a vulcanizable bonding layer 118, fluid pressure is applied to a flexible cover 122 positioned over the tread strip, a stretchable liner 152 of perforated synthetic polymer film having lubricating properties being disposed between the cover and the tread strip. Use of the stretchable liner helps the cover to slide relative to the tread strip and to enter tread grooves 120 so as to enable transmission of pressure to the bottoms of the tread grooves. Air between the cover and the tread strip is vented through a vent, element 24. The fluid used in the method may be a mixture of steam and air. Alternatively, the fluid used may be air, and heat may be supplied by resistance heating elements. The method may be performed in tire manufacture or in tire retreading. The apparatus described in Specification 1,520,289 may be used when carrying out the method.
GB4342575A 1975-10-22 1975-10-22 Method of bonding a tread strip to a tyre body Expired GB1520288A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4342575A GB1520288A (en) 1975-10-22 1975-10-22 Method of bonding a tread strip to a tyre body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4342575A GB1520288A (en) 1975-10-22 1975-10-22 Method of bonding a tread strip to a tyre body

Publications (1)

Publication Number Publication Date
GB1520288A true GB1520288A (en) 1978-08-02

Family

ID=10428700

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4342575A Expired GB1520288A (en) 1975-10-22 1975-10-22 Method of bonding a tread strip to a tyre body

Country Status (1)

Country Link
GB (1) GB1520288A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0431872A2 (en) * 1989-12-06 1991-06-12 Sumitomo Rubber Industries Limited Air venting belt for retreading tyres
CN117141020A (en) * 2023-10-30 2023-12-01 山东豪迈机械科技股份有限公司 Tire vulcanizing equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0431872A2 (en) * 1989-12-06 1991-06-12 Sumitomo Rubber Industries Limited Air venting belt for retreading tyres
EP0431872A3 (en) * 1989-12-06 1991-10-16 Sumitomo Rubber Industries Limited Air venting belt for retreading tyres
US5173353A (en) * 1989-12-06 1992-12-22 Sumitomo Rubber Industries, Ltd. Air venting belt for retreading tires
CN117141020A (en) * 2023-10-30 2023-12-01 山东豪迈机械科技股份有限公司 Tire vulcanizing equipment
CN117141020B (en) * 2023-10-30 2024-02-23 山东豪迈机械科技股份有限公司 Tire vulcanizing equipment

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19951021