RO85575B - Forma de vulcanizare pentru anvelope de vehicole - Google Patents
Forma de vulcanizare pentru anvelope de vehicoleInfo
- Publication number
- RO85575B RO85575B RO94873A RO9487378A RO85575B RO 85575 B RO85575 B RO 85575B RO 94873 A RO94873 A RO 94873A RO 9487378 A RO9487378 A RO 9487378A RO 85575 B RO85575 B RO 85575B
- Authority
- RO
- Romania
- Prior art keywords
- segments
- press
- mold
- vulcanization
- pressing piston
- Prior art date
Links
- 238000004073 vulcanization Methods 0.000 abstract 4
- 230000015572 biosynthetic process Effects 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)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0606—Vulcanising moulds not integral with vulcanising presses
- B29D30/0629—Vulcanising moulds not integral with vulcanising presses with radially movable sectors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
Forma de vulcanizare pentru anvelope de vehicule cu doua parti de forma dispuse coaxial între ele, pentru formarea peretilor laterali si un numar de segmenti asezati cu alunecare în partea inferioara a formei, mobili relativ cu aceasta în sens radial, pentru formarea suprafetei de rulare a anvelopei, la care parte superioara a formei este legata la partea superioara a unei prese de vulcanizare, partea de forma inferioara a presei si segmentii sînt legati cu pistonul de presare, cu ajutorul unor pârghii de actionare dispuse rotativ. Tema inventiei, este realizarea unei forme de vulcanizare cu segmenti, cu pârghii de actionare dispuse rotativ si un piston de presare la care, cu un necesar de forta relativ redus si o cursa mica a pistonului de presare, sa fie posibila deplasarea radiala a segmentilor sa la care, forta de strîngere care actioneaza asupra segmentilor în timpul procesului de vulcanizare, nu solicita pîrghia de actionare si lagarele sale. Inventia rezolva cele aratate mai sus, prin aceea ca partea inferioara a formei, suspendata electric pe pistonul de presare, pezinta suprafete care se aseaza pe suprafetele de asezare ale partii de sus a presei, atunci cînd forma este complet închisa, segmentii sînt prevazuti cu suprafete de sprijin, care, în cazul formei complet închise, se aseaza pe suprafata unui inel de închidere legat rigid cu pistonul de presare si pe segmenti, s-au apmplasat piese de alunecare care, sînt legate rotativ cu capetele pârghiilor de actionare, iar capetele sînt legate cu pîrghia de comanda legata rotativ cu partea inferioara a presei.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS775098A CS193610B1 (en) | 1977-08-02 | 1977-08-02 | Segment form of the vulcanization press for the tyres |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO85575A RO85575A (ro) | 1985-03-15 |
| RO85575B true RO85575B (ro) | 1985-03-31 |
Family
ID=5395189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO94873A RO85575B (ro) | 1977-08-02 | 1978-08-02 | Forma de vulcanizare pentru anvelope de vehicole |
Country Status (8)
| Country | Link |
|---|---|
| CS (1) | CS193610B1 (ro) |
| DD (1) | DD137556A1 (ro) |
| DE (1) | DE2833762C3 (ro) |
| FR (1) | FR2399329A1 (ro) |
| GB (1) | GB2001896B (ro) |
| IT (1) | IT1097557B (ro) |
| RO (1) | RO85575B (ro) |
| YU (1) | YU186578A (ro) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4390334A (en) | 1980-04-09 | 1983-06-28 | Nrm Corporation | Hydraulic tire press |
| US4332536A (en) | 1980-04-09 | 1982-06-01 | Nrm Corporation | Hydraulic tire press |
| US7459117B2 (en) | 2003-04-17 | 2008-12-02 | The Goodyear Tire & Rubber Company | Method for curing tires using a self-locking tire mold |
| EP3023446A1 (en) | 2014-11-18 | 2016-05-25 | Basf Se | Continuous high-throughput process for the preparation of polyurethanes |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1439759A (fr) * | 1964-08-04 | 1966-05-20 | Goodyear Tire & Rubber | Moule composite pour pneumatiques |
| US3730658A (en) * | 1971-06-25 | 1973-05-01 | Goodyear Tire & Rubber | Segmented tire mold |
-
1977
- 1977-08-02 CS CS775098A patent/CS193610B1/cs unknown
-
1978
- 1978-07-28 GB GB7831725A patent/GB2001896B/en not_active Expired
- 1978-07-31 DD DD78207043A patent/DD137556A1/xx not_active IP Right Cessation
- 1978-08-01 IT IT26352/78A patent/IT1097557B/it active
- 1978-08-01 DE DE2833762A patent/DE2833762C3/de not_active Expired
- 1978-08-01 FR FR7822679A patent/FR2399329A1/fr active Granted
- 1978-08-01 YU YU01865/78A patent/YU186578A/xx unknown
- 1978-08-02 RO RO94873A patent/RO85575B/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2833762B2 (de) | 1981-05-07 |
| DD137556A1 (de) | 1979-09-12 |
| CS193610B1 (en) | 1979-11-30 |
| GB2001896B (en) | 1982-01-13 |
| GB2001896A (en) | 1979-02-14 |
| DE2833762A1 (de) | 1979-02-15 |
| FR2399329B1 (ro) | 1984-01-13 |
| RO85575A (ro) | 1985-03-15 |
| IT7826352A0 (it) | 1978-08-01 |
| FR2399329A1 (fr) | 1979-03-02 |
| DE2833762C3 (de) | 1982-01-14 |
| IT1097557B (it) | 1985-08-31 |
| YU186578A (en) | 1982-06-30 |
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