JPS55123670A - Preparation of asbestos gasket - Google Patents
Preparation of asbestos gasketInfo
- Publication number
- JPS55123670A JPS55123670A JP3138679A JP3138679A JPS55123670A JP S55123670 A JPS55123670 A JP S55123670A JP 3138679 A JP3138679 A JP 3138679A JP 3138679 A JP3138679 A JP 3138679A JP S55123670 A JPS55123670 A JP S55123670A
- Authority
- JP
- Japan
- Prior art keywords
- solvent
- asbestos
- article
- superposed
- gasket
- 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.)
- Pending
Links
Abstract
PURPOSE: To obtain an asbestos gasket, wherein the superposed surfaces at the ends are completely integrated, simply, by kneading asbestos with a binding rubber in the presence of a solvent, by volatilizing the solvent from a preformed article, and by hot-pressing the article.
CONSTITUTION: A kneaded material C of asbestos, a rubber as a binder, and a solvent, is fed from the hopper 11 of the extruder 1 and extruded through the die 12 into the soft rod R containing the solvent. The rod R is then packed into the groove 21a of the mold 2 for a gasket with ends r1 and r2 thereof superposed, and press molded at room temperature and 100W110kg/cm2 for 2sec to give a preformed article without boundary surfaces at the superposed ends r1 an r2. The article is then taken out by a knock-out pin mechanism, dried to volatilize the solvent, and hot-pressed, and if necessary vulcanized.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3138679A JPS55123670A (en) | 1979-03-16 | 1979-03-16 | Preparation of asbestos gasket |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3138679A JPS55123670A (en) | 1979-03-16 | 1979-03-16 | Preparation of asbestos gasket |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55123670A true JPS55123670A (en) | 1980-09-24 |
Family
ID=12329814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3138679A Pending JPS55123670A (en) | 1979-03-16 | 1979-03-16 | Preparation of asbestos gasket |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55123670A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58197037A (en) * | 1982-05-13 | 1983-11-16 | Nippon Valqua Ind Ltd | Manufacture of joint sheet gasket |
JPS5939537A (en) * | 1982-08-31 | 1984-03-03 | Nippon Valqua Ind Ltd | Production of heat-resistant molded article |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5173083A (en) * | 1974-12-20 | 1976-06-24 | Nippon Reinz Co Ltd | SEKIMENJOINTOSHIITOGASUKETSUTONO SEIZOHOHO |
JPS5173082A (en) * | 1974-12-20 | 1976-06-24 | Nippon Reinz Co Ltd | SEKIMENJOINTOSHIITOGASUKETSUTONO SEIZOHOHO |
-
1979
- 1979-03-16 JP JP3138679A patent/JPS55123670A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5173083A (en) * | 1974-12-20 | 1976-06-24 | Nippon Reinz Co Ltd | SEKIMENJOINTOSHIITOGASUKETSUTONO SEIZOHOHO |
JPS5173082A (en) * | 1974-12-20 | 1976-06-24 | Nippon Reinz Co Ltd | SEKIMENJOINTOSHIITOGASUKETSUTONO SEIZOHOHO |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58197037A (en) * | 1982-05-13 | 1983-11-16 | Nippon Valqua Ind Ltd | Manufacture of joint sheet gasket |
JPS5939537A (en) * | 1982-08-31 | 1984-03-03 | Nippon Valqua Ind Ltd | Production of heat-resistant molded article |
JPH0237852B2 (en) * | 1982-08-31 | 1990-08-28 | Nippon Bulge Ind |
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