Title:
GASKET FOR GLASS LINING EQUIPMENT AND MANUFACTURING METHOD THEREOF
Document Type and Number:
Japanese Patent JP2018059616
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a manufacturing method of a gasket for glass lining equipment with a relatively large aperture, which can maintain sealability even in a condition of low fastening surface pressure in determined glass lining and in long-term stress reduction.SOLUTION: A gasket for glass lining comprises a toric or elliptical outer peripheral part and a toric or elliptical inner peripheral part continuously provided to a side edge inside the outer peripheral part, and on the outer peripheral part, a center core member and a coating member surrounding the center core member are provided. The center core member comprises a corrugated steel pipe and expanded graphite surrounding the corrugated steel pipe. The coating member comprises a porous PTFE membrane and a seamless PTFE coating surrounding the PTFE membrane. On the outer peripheral part, provided are one or more holes whose inner diameter is within a range of 1-2 mm.SELECTED DRAWING: Figure 1
Inventors:
TSUKAMOTO KATSURO
TSUKAMOTO HIROAKI
KIYONAGA ANSEI
HARADA TATSUYA
MATSUNO MASAYUKI
TSUKAMOTO HIROAKI
KIYONAGA ANSEI
HARADA TATSUYA
MATSUNO MASAYUKI
Application Number:
JP2016199566A
Publication Date:
April 12, 2018
Filing Date:
October 07, 2016
Export Citation:
Assignee:
JAPAN MATEKKUSU KK
HAKKO SANGYO KK
HAKKO SANGYO KK
International Classes:
F16J15/10; F16J15/12
Domestic Patent References:
| JP2005337401A | 2005-12-08 | |||
| JP2015137710A | 2015-07-30 | |||
| JP2008291989A | 2008-12-04 | |||
| JP2005106137A | 2005-04-21 | |||
| JPWO2011016496A1 | 2013-01-10 | |||
| JP2003106456A | 2003-04-09 |
Attorney, Agent or Firm:
Kazuhiro Kiyohara