JPS6487248A - Manufacture of base cloth for hydrogenated nbr diaphragm and diaphragm - Google Patents
Manufacture of base cloth for hydrogenated nbr diaphragm and diaphragmInfo
- Publication number
- JPS6487248A JPS6487248A JP24423587A JP24423587A JPS6487248A JP S6487248 A JPS6487248 A JP S6487248A JP 24423587 A JP24423587 A JP 24423587A JP 24423587 A JP24423587 A JP 24423587A JP S6487248 A JPS6487248 A JP S6487248A
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- cloth
- vulcanization
- slits
- pan
- 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
Landscapes
- Laminated Bodies (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Diaphragms And Bellows (AREA)
Abstract
PURPOSE:To enable tension to be eased in a base cloth moving direction, continuous molding/vulcanization to be performed and dimensional precision/manufacturing efficiency to be improved by providing a plurality of slits in the width direction of reinforcing cloth. CONSTITUTION:Long-size reinforcing cloth 2 applied with hydrogenated NBR on the both surfaces is transferred from a roller 4 around which the cloth is wound to a roller 5. Then the cloth is continuously introduced into a preliminary vulcanization pan 7. A slit is formed using a cutter in the width direction of a base cloth 50 which is half vulcanized inside the preliminary vulcanization pan. After this, a part 52 between the slits 51 is conducted into the molding/vulcanization pan 9 and is molded and vulcanized. The cloth is molded into a diaphragm consisting of a flange part 11, a convolution part 13 which rises from the flange part 11 in a bent form and a center plate part 12 which connects the convolution part 13 likewise in a bent form. This molded form is vulcanized at the same time, and then is secondarily vulcanized using a vulcanization pan 10 into a diaphragm. The part 52 between the slits is a part to begin with for the manufacture of a diaphragm, so that a tension applied to the base cloth 50 is eased by the slits. Thus a diaphragm with high-precision size can be manufactured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24423587A JPH0788047B2 (en) | 1987-09-30 | 1987-09-30 | Base fabric for manufacturing hydrogenated NBR diaphragm and method for manufacturing diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24423587A JPH0788047B2 (en) | 1987-09-30 | 1987-09-30 | Base fabric for manufacturing hydrogenated NBR diaphragm and method for manufacturing diaphragm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6487248A true JPS6487248A (en) | 1989-03-31 |
| JPH0788047B2 JPH0788047B2 (en) | 1995-09-27 |
Family
ID=17115751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24423587A Expired - Lifetime JPH0788047B2 (en) | 1987-09-30 | 1987-09-30 | Base fabric for manufacturing hydrogenated NBR diaphragm and method for manufacturing diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0788047B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0655552A1 (en) * | 1993-11-30 | 1995-05-31 | Suzuki Kabushiki Kaisha | Vacuum response type carburetor |
-
1987
- 1987-09-30 JP JP24423587A patent/JPH0788047B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0655552A1 (en) * | 1993-11-30 | 1995-05-31 | Suzuki Kabushiki Kaisha | Vacuum response type carburetor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0788047B2 (en) | 1995-09-27 |
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