Honda Giken Kogyo Kabushiki Kaisha

Mitsui Chemicals, Inc.

Hirofumi Morita

Satoshi Yamasaki

Daisuke Hasegawa

Naoji Yamaoka

Takuya Hashiguchi

Yoshihide Fujita

Hiroshi Kanayama

Keiji Otsuka

Kaoru Kitamura

Yasuyuki Kajita

Hidetaka Honda

Shigeru Tanimizu

Wataru Aoki

Keiichi Shimazaki

A polyurethane resin is a reaction product of a polyisocyanate component containing a bis(isocyanatomethyl)cyclohexane with a macropolyol component having a number average molecular weight of above 400 and 5000 or less. The shore A hardness thereof is 80 or less, a temperature at which a storage elastic modulus E' thereof shows 1&#xd7;10Pa is 200&#xb0; C. or more, and a ratio (E&#x2032;/E&#x2032;) of a storage elastic modulus E&#x2032;at 150&#xb0; C. with respect to a storage elastic modulus E&#x2032;at 50&#xb0; C. is 0.1 or more and 1.4 or less.

Polyurethane resin, producing method of polyurethane resin, and molded article

An optical polyurethane resin composition contains a polyisocyanate component including at least one cyclic polyisocyanate selected from the group consisting of alicyclic polyisocyanates, aralkyl polyisocyanates, and modified compounds thereof; and a polyol component having an average hydroxyl value of 280 to 1240 mg KOH/g and an average functionality of more than 2 and less than 5.

Optical polyurethane resin composition and optical polyurethane resin

TIG welding equipment includes a first articulate robot having a first arm, a TIG torch holding member for holding a TIG torch at a specified position so that the TIG torch can perform a weaving operation, and a filler wire guide moving member formed so as to surround the TM torch holding member and holdingly moving a filler wire guide in Z-axis direction.

TIG welding equipment and TIG welding method

An apparatus for adjusting an optical component has a reference beam unit for emitting a reference laser beam L whose optical axis has established, and an optical axis unit detecting the optical axis and focal point of a reflected beam La from a parabolic mirror to which the reference laser beam L is applied. The optical axis unit comprises first and second pinhole plates spaced a given distance from each other and having respective small holes defined therein.

Method of and apparatus for adjusting optical component, and optical unit

A wrist portion assembly for a workpiece feeding apparatus of a seam welding machine wherein a workpiece is supported through a chucking device on an operational end of a robot so that a portion of the workpiece to be welded is fed between a pair of upper and lower electrode rolls. The wrist portion includes plural turnable members. At least one of the turnable members which serves to move the chucking device upwardly and downwardly by the turning thereof is formed into an idle turnable member having no driving source.

Workpiece feeding apparatus in seam welding machine

A combination of a seam welding machine having a machine body and a pair of electrode rolls thereon and a workpiece feeding mechanism for feeding a portion of a three dimensionally curved workpiece between the electrode rolls. The mechanism includes a robot which is three-dimensionally movable and which has a wrist portion of three shaft construction supporting a chucking device for holding the workpiece. The robot is mounted on the machine body of the seam welding machine.

Growing community of inventors

Chiba, Japan

Hirofumi Morita