Title:
FIRE PROTECTION ATTACHMENT
Document Type and Number:
Japanese Patent JP2009243612
Kind Code:
A
Abstract:
To provide a fire protection attachment capable of reducing the dimensional accuracy of a leaf spring, and surely closable without a gap when the attachment is closed even if a position for attaching the leaf spring to an attaching part is slightly displaced.
The fire protection attachment comprises an attaching part attached to a bottom end of a drain pipe or a joint, and a plurality of leaf springs provided at the attaching part in an annular manner and pressing and holding a resin pipe circumferential face connected to the drain pipe or the joint. The leaf spring is formed into a triangle shape or a trapezoidal shape, and urged to abut each other at their sides.
Inventors:
KOBAYASHI KOJI
ITO NAOTADA
HAYASHI KOJI
ITO NAOTADA
HAYASHI KOJI
Application Number:
JP2008092356A
Publication Date:
October 22, 2009
Filing Date:
March 31, 2008
Export Citation:
Assignee:
CCI CORP
International Classes:
F16L5/04
Domestic Patent References:
| JP2008069959A | 2008-03-27 | |||
| JPS5610572U | 1981-01-29 | |||
| JPS6457479U | 1989-04-10 | |||
| JPH0478383U | 1992-07-08 | |||
| JP2008069958A | 2008-03-27 | |||
| JPH11159271A | 1999-06-15 | |||
| JP2008069959A | 2008-03-27 | |||
| JPS5610572U | 1981-01-29 | |||
| JPS6457479U | 1989-04-10 | |||
| JPH0478383U | 1992-07-08 |
Attorney, Agent or Firm:
Hiroe Associates Patent Office
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