GB180727A - Collapsible sectional annular core for use in making automobile tire casings - Google Patents
Collapsible sectional annular core for use in making automobile tire casingsInfo
- Publication number
- GB180727A GB180727A GB3815/21A GB381521A GB180727A GB 180727 A GB180727 A GB 180727A GB 3815/21 A GB3815/21 A GB 3815/21A GB 381521 A GB381521 A GB 381521A GB 180727 A GB180727 A GB 180727A
- Authority
- GB
- United Kingdom
- Prior art keywords
- annular core
- rings
- automobile tire
- tire casings
- making automobile
- 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
- B29D30/12—Cores
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
180,727. Welton, P. E. Feb. 1, 1921. Moulding wheel tyres.-In a collapsable core of the type built up of abutting sections 10, 11, 12, 13 provided with inwardly extending portions 16 adapted to be engaged by outwardly extending portions on a locking-member which can be inserted axially and rotated to cause engagement of the outstanding portions, the locking-member is formed of two rings 20, 21 adapted to be clamped together by cross bolts. The interengaging portions on the sections and the rings have bevelled surfaces. Springs 50 and registering pins and holes 35, 36 may be provided between the rings.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3815/21A GB180727A (en) | 1921-02-01 | 1921-02-01 | Collapsible sectional annular core for use in making automobile tire casings |
FR530816D FR530816A (en) | 1921-02-01 | 1921-02-09 | Refinements to mandrels for manufacturing automotive tire casings |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3815/21A GB180727A (en) | 1921-02-01 | 1921-02-01 | Collapsible sectional annular core for use in making automobile tire casings |
FR530816T | 1921-02-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB180727A true GB180727A (en) | 1922-06-01 |
Family
ID=9765412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3815/21A Expired GB180727A (en) | 1921-02-01 | 1921-02-01 | Collapsible sectional annular core for use in making automobile tire casings |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR530816A (en) |
GB (1) | GB180727A (en) |
-
1921
- 1921-02-01 GB GB3815/21A patent/GB180727A/en not_active Expired
- 1921-02-09 FR FR530816D patent/FR530816A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR530816A (en) | 1921-12-31 |
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