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GB499294A - Improvements relating to the treading of tyres - Google Patents

Improvements relating to the treading of tyres

Info

Publication number
GB499294A
GB499294A GB2343938A GB2343938A GB499294A GB 499294 A GB499294 A GB 499294A GB 2343938 A GB2343938 A GB 2343938A GB 2343938 A GB2343938 A GB 2343938A GB 499294 A GB499294 A GB 499294A
Authority
GB
United Kingdom
Prior art keywords
ribs
tyres
tread
treading
moulding
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
GB2343938A
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.)
PAUL EDWARD HANKINSON
Original Assignee
PAUL EDWARD HANKINSON
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 PAUL EDWARD HANKINSON filed Critical PAUL EDWARD HANKINSON
Priority to GB2343938A priority Critical patent/GB499294A/en
Publication of GB499294A publication Critical patent/GB499294A/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

Landscapes

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

Abstract

499,294. Moulding and re-treading tyres. SIMON, Ltd., H. (Hawkinson, P. E.) Aug. 9, 1938, No. 23439. [Class 87 (ii)] In moulding tyres or re-treading worn tyres, the tyre 8 is formed with laterally spaced ribs 14 at the shoulders and the tread material 15 is applied intermediate the ribs 14. The ribs 14 may be broken up into circumferentially - spaced segments. The tread may be formed by a mould 16 having lateral flanges 17 which may engage within the ribs 14. Alternatively, the tread material 15 may extend up to the ribs 14, the flanges 17 seating upon the tops or outsides of the ribs 14. With worn tyres, the ribs 14 are formed by cutting away the crown tread portion. For new tyres, the ribs 14 are formed in an initial curing operation and the tread is applied in a final curing operation. Specification 420,829 is referred to.
GB2343938A 1938-08-09 1938-08-09 Improvements relating to the treading of tyres Expired GB499294A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2343938A GB499294A (en) 1938-08-09 1938-08-09 Improvements relating to the treading of tyres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2343938A GB499294A (en) 1938-08-09 1938-08-09 Improvements relating to the treading of tyres

Publications (1)

Publication Number Publication Date
GB499294A true GB499294A (en) 1939-01-20

Family

ID=10195641

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2343938A Expired GB499294A (en) 1938-08-09 1938-08-09 Improvements relating to the treading of tyres

Country Status (1)

Country Link
GB (1) GB499294A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE858307C (en) * 1941-06-20 1952-12-04 Peters Pneu Renova K G Process for retreading the tread of pneumatic vehicle tires
DE1035891B (en) * 1955-01-08 1958-08-07 Continental Gummi Werke Ag Device for soling pneumatic vehicle tires

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE858307C (en) * 1941-06-20 1952-12-04 Peters Pneu Renova K G Process for retreading the tread of pneumatic vehicle tires
DE1035891B (en) * 1955-01-08 1958-08-07 Continental Gummi Werke Ag Device for soling pneumatic vehicle tires

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