Seal Member Having Excellent Wear Resistance, and Seal Structure Using Same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Oct 24, 2013
app pub date -
Nov 28, 2011
filing date -
Nov 26, 2010
priority date (Note) -
Abandoned
status (Latency Note)
![]() |
A preliminary load of PAIR data current through [] has been loaded. Any more recent PAIR data will be loaded within twenty-four hours. |
PAIR data current through []
A preliminary load of cached data will be loaded soon.
Any more recent PAIR data will be loaded within twenty-four hours.
![]() |
Next PAIR Update Scheduled on [ ] |

Importance

US Family Size
|
Non-US Coverage
|
Abstract
A seal member which is used in a seal part comprising a molded rubber article produced by vulcanizing a rubber composition comprising, a hydrogenated nitrile rubber (A), carbon black (B), and carbon black (C) and/or carbon fiber (D), wherein carbon black (B) has a DBP oil absorption of 250 to 450 mL/100 g, carbon black (C) has a DBP oil absorption of 200 mL/100 g or less, and carbon fiber (D) has an average fiber length of 0.05 to 2 mm and an average fiber diameter of 5 to 30 μm; and wherein, based on 100 parts by mass of the hydrogenated nitrile rubber (A), the amount of carbon black (B) is 5 to 15 parts by mass, the total amount of carbon black (C) and/or carbon fiber (D) is 3 to 35 parts by mass, and the total content of the fillers is 40 parts by mass or less.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
---|---|---|---|---|---|
WO | A1 | WO2012070677 | Nov 28, 2011 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
INTERNATIONAL APPLICATION PUBLISHED WITH INTERNATIONAL SEARCH REPORT | 耐摩耗性に優れたシール部材及びそれを用いたシール構造 | May 31, 2012 | |||
CN | B | CN103228755 | Nov 28, 2011 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
GRANTED PATENT FOR INVENTION | Seal member having excellent wear resistance, and seal structure using same | Jan 28, 2015 | |||
EP | A1 | EP2644678 | Nov 28, 2011 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
APPLICATION PUBLISHED WITH SEARCH REPORT | SEAL MEMBER HAVING EXCELLENT WEAR RESISTANCE, AND SEAL STRUCTURE USING SAME | Oct 02, 2013 | |||
JP | B2 | JP5158917 | Nov 28, 2011 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
PUBLISHED GRANTED PATENT (SECOND LEVEL) | 耐摩耗性に優れたシール部材及びそれを用いたシール構造 | Mar 06, 2013 |
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
UCHIYAMA MANUFACTURING CORP | 338 ENAMI NAKA-KU OKAYAMA-SHI OKAYAMA 702-8004 |
International Classification(s)

- 2011 Application Filing Year
- C09K Class
- 1857 Applications Filed
- 1322 Patents Issued To-Date
- 71.20 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Kasamoto, Tadashi | Kurashiki-shi, JP | 10 | 30 |
# of filed Patents : 10 Total Citations : 30 | |||
Katayama, Tatsuo | Akaiwa-shi, JP | 24 | 61 |
# of filed Patents : 24 Total Citations : 61 | |||
Sakate, Kazushi | Tsuyama-shi, JP | 3 | 4 |
# of filed Patents : 3 Total Citations : 4 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 0 Citation Count
- C09K Class
- 0 % this patent is cited more than
- 12 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 24, 2025 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
- No Legal Status data available.

Matter Detail

Renewals Detail
