JPS57207052A - Method and apparatus for stretching treatment of transmission belt - Google Patents
Method and apparatus for stretching treatment of transmission beltInfo
- Publication number
- JPS57207052A JPS57207052A JP9290281A JP9290281A JPS57207052A JP S57207052 A JPS57207052 A JP S57207052A JP 9290281 A JP9290281 A JP 9290281A JP 9290281 A JP9290281 A JP 9290281A JP S57207052 A JPS57207052 A JP S57207052A
- Authority
- JP
- Japan
- Prior art keywords
- belt
- sleeve
- stretched
- drum
- vulcanized
- 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
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
- B29D29/00—Producing belts or bands
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
PURPOSE:To enable a low stretched belt with a uniform length to be produced, by cooling a vulcanized belt in a stretched state for a prescribed period from the outer circumferential surface of the belt. CONSTITUTION:In a molding stage, a flat, wide and unvulcanized blet sleeve is wound on the outer circumference of a cylindrical flexible jacket 2 mounted on an inner cylindrical drum 1. Then the sleeve in its wound state on the drum 1 is introduced into a vulcanizing apparatus where the unvulcanized belt sleeve outer surface is heated and pessed by an outer mold having a plurality of V- shaped grooves circumferentially in the inner surface, and while the unvulcanized belt surface is formed with triangle ribs circumferentially, it is vulcanized. After the vulcanization, and while the vulcanized belt sleeve 5 is still hot, the sleeve 5 is uniformly stretched circumferentially by a dimension W, is caused to become in contact with the outer cylindrical drum 6, and is cooled by a cooling mechanism provided to the drum 6 with it being stretched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9290281A JPS5943289B2 (en) | 1981-06-15 | 1981-06-15 | A method for stretching a transmission belt and a belt stretching machine for carrying out the method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9290281A JPS5943289B2 (en) | 1981-06-15 | 1981-06-15 | A method for stretching a transmission belt and a belt stretching machine for carrying out the method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57207052A true JPS57207052A (en) | 1982-12-18 |
| JPS5943289B2 JPS5943289B2 (en) | 1984-10-20 |
Family
ID=14067397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9290281A Expired JPS5943289B2 (en) | 1981-06-15 | 1981-06-15 | A method for stretching a transmission belt and a belt stretching machine for carrying out the method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5943289B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6111493U (en) * | 1984-06-27 | 1986-01-23 | カヤバ工業株式会社 | Watertight device for hatch cover |
-
1981
- 1981-06-15 JP JP9290281A patent/JPS5943289B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5943289B2 (en) | 1984-10-20 |
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