JPS5675850A - Breaker and tread assembling device in tyre molding machine - Google Patents
Breaker and tread assembling device in tyre molding machineInfo
- Publication number
- JPS5675850A JPS5675850A JP15185579A JP15185579A JPS5675850A JP S5675850 A JPS5675850 A JP S5675850A JP 15185579 A JP15185579 A JP 15185579A JP 15185579 A JP15185579 A JP 15185579A JP S5675850 A JPS5675850 A JP S5675850A
- Authority
- JP
- Japan
- Prior art keywords
- breaker
- pladders
- tread
- flange
- sides
- 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.)
- Granted
Links
- 238000000465 moulding Methods 0.000 title 1
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
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
- B29D30/20—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
- B29D2030/3221—Folding over means, e.g. bladders or rigid arms
- B29D2030/3228—Folding over means, e.g. bladders or rigid arms using one bladder acting on each side of the drum
Landscapes
- Tyre Moulding (AREA)
Abstract
PURPOSE: To bend side ends of breaker material accurately and thus to mold a breaker layer in faulted structure efficiently by arranging a dual bladder on both sides of a drum flange operating radially.
CONSTITUTION: After winding and junctioning breaker plies 94a, 95b on an expanded drum flange 40, outer pladders 48, 48' arranged on both sides of the flange 40 are inflanted to bend a ply 98b along both sides 95, 95' of the flange 40. Next, the air is fed to inner pladders 49, 49' arranged in the interior of pladders 48, 48' to exhaust said pladders 48, 48', a breaker layer 94b is turned up to pressure welding with the pladders 48, 48' hanging over the flange 40, and then the pladders 48, 48', 49, 49' are exhausted. After a tread 96 is wound on the breaker layer 94b, the air is fed to an annular pladder 81 to contract a plurality of segments 75, thereby holding the breaker and the tread.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15185579A JPS5675850A (en) | 1979-11-22 | 1979-11-22 | Breaker and tread assembling device in tyre molding machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15185579A JPS5675850A (en) | 1979-11-22 | 1979-11-22 | Breaker and tread assembling device in tyre molding machine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5675850A true JPS5675850A (en) | 1981-06-23 |
JPS6234543B2 JPS6234543B2 (en) | 1987-07-28 |
Family
ID=15527726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15185579A Granted JPS5675850A (en) | 1979-11-22 | 1979-11-22 | Breaker and tread assembling device in tyre molding machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5675850A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006168067A (en) * | 2004-12-14 | 2006-06-29 | Sumitomo Rubber Ind Ltd | Method and apparatus for forming tread ring |
JP2011507729A (en) * | 2007-12-21 | 2011-03-10 | ピレリ・タイヤ・ソチエタ・ペル・アツィオーニ | Method and plant for building tires for vehicle wheels |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5357283A (en) * | 1976-11-04 | 1978-05-24 | Bridgestone Tire Co Ltd | Tire molding drum |
-
1979
- 1979-11-22 JP JP15185579A patent/JPS5675850A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5357283A (en) * | 1976-11-04 | 1978-05-24 | Bridgestone Tire Co Ltd | Tire molding drum |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006168067A (en) * | 2004-12-14 | 2006-06-29 | Sumitomo Rubber Ind Ltd | Method and apparatus for forming tread ring |
JP2011507729A (en) * | 2007-12-21 | 2011-03-10 | ピレリ・タイヤ・ソチエタ・ペル・アツィオーニ | Method and plant for building tires for vehicle wheels |
Also Published As
Publication number | Publication date |
---|---|
JPS6234543B2 (en) | 1987-07-28 |
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