GB175754A - Improvements in or relating to the application of plies or strips to cores or formers in building up pneumatic tyre casings - Google Patents
Improvements in or relating to the application of plies or strips to cores or formers in building up pneumatic tyre casingsInfo
- Publication number
- GB175754A GB175754A GB3282120A GB3282120A GB175754A GB 175754 A GB175754 A GB 175754A GB 3282120 A GB3282120 A GB 3282120A GB 3282120 A GB3282120 A GB 3282120A GB 175754 A GB175754 A GB 175754A
- Authority
- GB
- United Kingdom
- Prior art keywords
- core
- strips
- building
- plies
- tubes
- 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
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)
- B29D30/08—Building tyres
- B29D30/10—Building tyres on round cores, i.e. the shape of the core is approximately identical with the shape of the completed tyre
- B29D30/14—Rolling-down or pressing-down the layers in the building process
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/10—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
- B29C43/12—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies using bags surrounding the moulding material or using membranes contacting the moulding material
-
- 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
- B29L2030/00—Pneumatic or solid tyres or parts thereof
- B29L2030/003—Plies; Breakers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Diaphragms And Bellows (AREA)
Abstract
175,754. Dunlop Rubber Co., Ltd., and Macbeth, C. Nov. 20, 1920. Tyres, elastic, special apparatus for making.- In building-up the foundation of a tyre cover, the fabric plies D are pressed on to the core A by means operating continuously around the core and progressively inwards from the tread to the edge portions. In the apparatus shown, the pressure-means consist of expansible annular tubes B confined between the sides of the core A and adjustable rings C, and connected to a pressurefluid supply by a pipe B<3>. The free edges of the strip D are held away from the core by means of rubber &c. strips E which yield under the pressure of the expanding tubes B. In modifications. the series of strips E are replaced by single strips stretched across the angles formed by the neck of the core and the side walls C, or by similarly-disposed hollow tubes, which may be inflated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3282120A GB175754A (en) | 1920-11-20 | 1920-11-20 | Improvements in or relating to the application of plies or strips to cores or formers in building up pneumatic tyre casings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3282120A GB175754A (en) | 1920-11-20 | 1920-11-20 | Improvements in or relating to the application of plies or strips to cores or formers in building up pneumatic tyre casings |
Publications (1)
Publication Number | Publication Date |
---|---|
GB175754A true GB175754A (en) | 1922-02-20 |
Family
ID=10344492
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3282120A Expired GB175754A (en) | 1920-11-20 | 1920-11-20 | Improvements in or relating to the application of plies or strips to cores or formers in building up pneumatic tyre casings |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB175754A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2986196A (en) * | 1956-01-24 | 1961-05-30 | Nat Standard Co | Tire building machine |
US3011540A (en) * | 1957-05-14 | 1961-12-05 | Pirelli | Apparatus for producing fabric flippers for tire casings |
US3053308A (en) * | 1957-04-11 | 1962-09-11 | Pirelli | Tire building apparatus and method |
US3078204A (en) * | 1959-08-25 | 1963-02-19 | Goodyear Tire & Rubber | Method of and apparatus for building tires |
US3152031A (en) * | 1961-07-04 | 1964-10-06 | Dunlop Rubber Co | Ply-turning apparatus for the manufacture of pneumatic tyres |
-
1920
- 1920-11-20 GB GB3282120A patent/GB175754A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2986196A (en) * | 1956-01-24 | 1961-05-30 | Nat Standard Co | Tire building machine |
US3053308A (en) * | 1957-04-11 | 1962-09-11 | Pirelli | Tire building apparatus and method |
US3011540A (en) * | 1957-05-14 | 1961-12-05 | Pirelli | Apparatus for producing fabric flippers for tire casings |
US3078204A (en) * | 1959-08-25 | 1963-02-19 | Goodyear Tire & Rubber | Method of and apparatus for building tires |
US3152031A (en) * | 1961-07-04 | 1964-10-06 | Dunlop Rubber Co | Ply-turning apparatus for the manufacture of pneumatic tyres |
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