Patent news.

Rolling-lobe air spring
U.S. patent: 6,412,758
Issued: July 2, 2002
Inventors: Detlef Wenzel and Manfred
Degenhardt
Assigned: ContiTech Luftfedersysteme
GmbH

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Elastomeric bearing
U.S. patent: 6,413,048
Issued: July 2, 2002
Inventor: Neal W. Muylaert
Assigned: Boeing

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Linearized peristaltic pump
U.S. patent: 6,413,059
Issued: July 2, 2002
Inventor: James Thomas Pringle
Assigned: University of Melbourne

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Rubber compositions and hoses
U.S. patent: 6,413,201
Issued: July 2, 2002
Inventors: Ayumu Ikemoto, Eiichi
Daikai and Koji Senda
Assigned: Tokai Rubber Industries
Keywords: A peroxide cure system,
EPDM, quinoline antioxidant, highly
resistant to hot air aging and cracking.

Compatibilized blends of non-polar
themoplastic elastomers and polar
thermoplastic polymers
U.S. patent: 6,414,081
Issued: July 2, 2002
Inventor: Trazollah Ouhadi
Assigned: Advanced Elastomer Systems,
LP
Keywords: Non-polar thermoplastic
elastomer and a polar thermoplastic
polymer selected from (TPU), chloro
containing polymers, acrylonitrile-butadiene-styrene
copolymers.

Pneumatic tire having electrically
conductive rubber layer in land
portion defined between circumferential
grooves
U.S. patent: 6,415,833
Issued: July 9, 2002
Inventor: Hideki Komatsu
Assigned: Bridgestone

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Curable compositions of flourinated
amide polymers
U.S. patent: 6,417,311
Issued: July 9, 2002
Inventors: Kenichi Fukuda and Mikio
Shiono
Assigned: Shin-Etsu Chemical
Keywords: A fluorinated amide, a fluorinated
organohydrogensiloxane,
platinum, an organosiloxane and at
least one epoxy and/or triaikoxysilyl
radical, a carboxylic anhydride.
Bonds PPS and nylon while curing
into a fluorinated elastomer.

Tire having low rolling resistance in
particular for driving wheels of
heavy vehicles
U.S. patent: 6,415,834
Issued." July 9, 2002
Inventors: Alberto Carra and Luigi
Campana
Assigned: Pirelli Pneumatici S.p.A.

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Pneumatic tire tread having groove
with peaks and valleys
U.S. patent: 6,415,835
Issued: July 9, 2002
Inventor: Richard Heinen
Assigned: Goodyear Tire & Rubber

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Fluorinated polyurethane elastomers
prepared from polyether
prepolymers formed from monosubstituted
fluorinated oxetane
monomers
U.S. patent: 6,417,314
Issued: July 9, 2002
Inventors: Aslam A. Malik and
Thomas G. Archibald
Assigned: Aerojet-General

Rubber component for fuel seal
U.S. patent: 6,418,959
Issued: July 16, 2002
Inventor: Yoshihiro Kondo
Assigned: Kyosan Denki

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Tire having a stainless steel carcass
reinforcement
U.S. patent: 6,418,994
Issued: July 16, 2002
Inventors: Jean-Claude Arnaud,
Christian Lamoureux and Eric
Depraetere
Assigned: Michelin Recherche et
Technique S.A.

Soft shell protective head gear and
fabrication method
U.S. patent: 6,421,840
Issued: July 23, 2002
Inventors: Chien-Fang Chen and
Shyan-Wei Chen
Assigned: Racer Sporting Goods and
Taipei Hsien

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Fully vulcanized powdery rubber
having a controllable particle size,
preparation and use thereof
U.S. patent: 6,423,760
Inventors: Jinliange Qiao, Genshuan
Wei, Xiaohong Zhang, Shijun Zhang,
Jianming Gao, Wei Ahang, Yiqun
Liu, Jiuqiang Li, Fengru Zhang, Renli
Zhai, Jingbo Shao, Kunkai Yan and
Hau Yin
Assigned: China Petro-Chemical, Beijing
Research Institute of Chemical
Industry and Sinopec
Keywords: Obtained by irradiating a
rubber latex having a particle size of
from 20 to 2,000 nm and dispersed
into plastics to toughen plastics.

Railroad tie pad for crossings
U.S. patent: 6,422,478
Issued: July 23, 2002
Inventor: Joseph Lucas, Jr.
Assigned: Northwest Rubber Extruders

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Self-closing pneumatic spring
system
U.S. patent: 6,422,543
Issued: July 23, 2002
Inventor: Stefan Fejerdy
Assigned: Phoenix

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Method of achieving superior dispersions
of insoluble sulfur
U.S. patent: 6,423,819
Inventor: George B. Brands
Assigned: Saynad and The Brands
Family Illinois
Keywords: Novel superior dispersion
of insoluble sulfur comprises mixing
polysulfur, in the rubber state, with
rubber to obtain a novel uniform dispersion
of the sulfur.

Tire inside noise absorber
U.S. patent: 6,422,655
Issued: July 23, 2002
Inventors: J. Daniel Britton, Thomas
Anthony Janello and Mehmet Sadettin
Fidan
Assigned: Continental General Tire
Keywords: Network of flexible fibers
attached to the mounting strip and
extending in the radial direction of the
tire.

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Pneumatic tire with cords directly
contacting tread compound
U.S. patent: 6,425,426
Issued: July 30, 2002
Inventors: Daniel G. Osborne and
James R. Anderson
Assigned: Michelin Recherche et
Technique S.A.

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Method and apparatus for grinding
rubber
U.S. patent: 6,425,540
Issued: July 30, 2002
Inventors: Charles D. Morris, Daniel
A. Nagel, Lorin H. Beaber and Raymond
K. Tharp, Jr.

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