Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SEAL MATERIAL
Document Type and Number:
WIPO Patent Application WO/2010/104108
Kind Code:
A1
Abstract:
A seal material having good sealing ability and handleability which are achieved at the same time. A seal material (1) formed by injection molding of a thermoplastic elastomer and having at least one contact surface. The seal material (1) has on the contact surface a seal section (2) and a non-seal section (3). The surface roughness Ras of the seal section (2) is not less than 0.2 μm but not greater than 1.4 μm, and the surface roughness Rah of the non-seal section (3) is greater than 3.0 μm and not greater than 7.0 μm. Preferably, the surface roughness Ras of the seal section (2) is not less than 0.2 μm but not greater than 0.5 μm, and the surface roughness Rah of the non-seal section (3) is greater than 5.0 μm and not greater than 7.0 μm.

Inventors:
SANO TAKEHIRO (JP)
Application Number:
PCT/JP2010/053990
Publication Date:
September 16, 2010
Filing Date:
March 10, 2010
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BRIDGESTONE CORP (JP)
SANO TAKEHIRO (JP)
International Classes:
B29C45/37; C08J5/00
Foreign References:
JPH05320365A1993-12-03
JP2006297811A2006-11-02
JPS5838139A1983-03-05
JPS62170206U1987-10-28
Attorney, Agent or Firm:
HONDA ICHIRO (JP)
Ichiro Honda (JP)
Download PDF: