GB1182061A - Method of and Apparatus for Making Pneumatic Tyres - Google Patents
Method of and Apparatus for Making Pneumatic TyresInfo
- Publication number
- GB1182061A GB1182061A GB1190468A GB1190468A GB1182061A GB 1182061 A GB1182061 A GB 1182061A GB 1190468 A GB1190468 A GB 1190468A GB 1190468 A GB1190468 A GB 1190468A GB 1182061 A GB1182061 A GB 1182061A
- Authority
- GB
- United Kingdom
- Prior art keywords
- carcass
- axially
- shaping
- caps
- march
- 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)
- B29D30/36—Expansion of tyres in a flat form, i.e. expansion to a toroidal shape independently of their building-up process, e.g. of tyres built by the flat-tyres method or by jointly covering two bead-rings
-
- 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
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D30/32—Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores
- B29D2030/3214—Locking the beads on the drum; details of the drum in the bead locking areas, e.g. drum shoulders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Tyre Moulding (AREA)
Abstract
1,182,061. Pneumatic tyre manufacture. PIRELLI S.p.A. 12 March, 1968 [15 March, 1967], No. 11904/68. Heading B7C. A method of manufacturing a pneumatic tyre comprises positioning the beads 28, 29 of a carcass 27 on rings 7, 13, shaping the carcass by moving the rings towards each other and by pressurizing the interior thereof, squeezing the shaped carcass axially inwardly using caps 23, 24, which have an inner profile which is axially narrower than that corresponding to the desired form of the freely shaped carcass, and maintaining the carcass in the squeezed condition while applying either a tread band or a breaker or breaker strips followed by a tread band to the radially outer surface of the carcass between the axially innermost edges of the caps. An expansible diaphragm 6 may be used in the shaping of the carcass. Sectors 17 pivotally supported on flange 11 of hub 10 may be used to resist the axially inwards thrust which occurs during shaping at the bead portions of the tyre.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT791342 | 1967-03-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1182061A true GB1182061A (en) | 1970-02-25 |
Family
ID=11125510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1190468A Expired GB1182061A (en) | 1967-03-15 | 1968-03-12 | Method of and Apparatus for Making Pneumatic Tyres |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1182061A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1026334C2 (en) * | 2004-06-04 | 2005-12-06 | Vmi Epe Holland | Tire drum assembly with storage mechanism for building an unvulcanized tire. |
-
1968
- 1968-03-12 GB GB1190468A patent/GB1182061A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1026334C2 (en) * | 2004-06-04 | 2005-12-06 | Vmi Epe Holland | Tire drum assembly with storage mechanism for building an unvulcanized tire. |
WO2005118270A3 (en) * | 2004-06-04 | 2006-03-02 | Vmi Epe Holland | Tyre drum assembly including turn-up mechanism for building an unvulcanized tyre |
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