Title:
【発明の名称】リング状パッキンおよびその製造方法
Document Type and Number:
Japanese Patent JPH0715311
Kind Code:
B2
Inventors:
Takahisa Ueda
Application Number:
JP12781790A
Publication Date:
February 22, 1995
Filing Date:
May 16, 1990
Export Citation:
Assignee:
Nippon Pillar Industry Co., Ltd.
International Classes:
F16J15/22; D04C1/12; F16J15/24; (IPC1-7): F16J15/22; D04C1/12
Domestic Patent References:
| JP62283260A | ||||
| JP57161365A | ||||
| JP426447B1 |
Attorney, Agent or Firm:
Koichi Suzue (1 person outside)
Next Patent: ガス弁