Patents by Inventor Masanori Aritake
Masanori Aritake has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6786007Abstract: A process for manufacturing a weather strip comprising the steps of setting an end portion of an extruded portion in a mold cavity, injecting a semi-rigid resin material into the cavity to form an attachment portion of a molded portion to integrally connect the attachment portion of the molded portion to an attachment portion of the extruded portion, and injecting thereafter a soft or sponge thermoplastic elastomer material into the cavity to form a sealing portion of the molded portion to integrally connect the sealing portion of the molded portion to a sealing portion of the extruded portion.Type: GrantFiled: April 14, 2003Date of Patent: September 7, 2004Assignee: Toyoda Gosei Co, Ltd.Inventor: Masanori Aritake
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Publication number: 20040161584Abstract: A vehicle glass run is formed with a horizontal-side extrusion part, vertical-side extrusion parts, and corner molding parts for connecting the terminal ends of those in an L shape by molding. The horizontal-side extrusion part and the vertical-side extrusion parts are made of a first material of an olefin thermoplastic elastomer. The corner molding parts are made of a second material which is an olefin thermoplastic elastomer and has a melt flow rate lower than that of the first material. The material swiftly reaches the terminal ends of the extrusion parts, and heat welds them together.Type: ApplicationFiled: February 17, 2004Publication date: August 19, 2004Inventors: Masanori Aritake, Hitoshi Omori
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Patent number: 6777068Abstract: A door weather strip having an extruded member and a molded corner for connecting ends of the extruded member. The extruded member is composed of a foamed thermoplastic olefin elastomer which has an average cell diameter of 30 to 70 &mgr;m and an expansion ratio of 150 to 250%.Type: GrantFiled: January 26, 2001Date of Patent: August 17, 2004Assignee: Toyoda Gosei Co, Ltd.Inventors: Mitsunobu Teramoto, Masanori Aritake, Hitoshi Omori
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Publication number: 20040157013Abstract: A weather strip comprising an extruded body having straight sections and a corner section curving therebetween is disclosed. The extruded body comprises an attachment portion and a hollow sealing portion integrally formed by extrusion molding. The attachment portion is attached to a part of an automobile and the sealing portion is connected to the attachment portion at both ends. The weather strip comprises: an incision slit made oh the outer periphery of the sealing portion in the corner section; an incision edge formed on the sealing portion along the incision slit, the incision edge being spread out toward the outer periphery of the corner section with the attachment portion and sealing portion being curved along a corner shape of the part of the automobile; and a molded part formed at least in the vicinity of the incision edge on the back side of the sealing portion in the corner section.Type: ApplicationFiled: February 9, 2004Publication date: August 12, 2004Inventors: Takao Nakajima, Masanori Aritake, Haruhisa Kawase, Hisao Hanabusa, Masahiro Takaya
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Patent number: 6723414Abstract: A vehicle glass run is formed with a horizontal-side extrusion part, vertical-side extrusion parts, and corner molding parts for connecting the terminal ends of those in an L shape by molding. The horizontal-side extrusion part and the vertical-side extrusion parts are made of a first material of an olefin thermoplastic elastomer. The corner molding parts are made of a second material which is an olefin thermoplastic elastomer and has a viscosity lower than that of the first material. The material swiftly reaches the terminal ends of the extrusion parts, and heat welds them together.Type: GrantFiled: August 21, 2001Date of Patent: April 20, 2004Assignee: Toyoda Gosei Co., Ltd.Inventors: Masanori Aritake, Hitoshi Omori
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Patent number: 6716496Abstract: A weather strip comprising an extruded body having straight sections and a corner section curving therebetween is disclosed. The extruded body comprises an attachment portion and a hollow sealing portion integrally formed by extrusion molding. The attachment portion is attached to a part of an automobile and the sealing portion is connected to the attachment portion at both ends. The weather strip comprises: an incision slit made on the outer periphery of the sealing portion in the corner section; an incision edge formed on the sealing portion along the incision slit, the incision edge being spread out toward the outer periphery of the corner section with the attachment portion and sealing portion being curved along a corner shape of the part of the automobile; and a molded part formed at least in the vicinity of the incision edge on the back side of the sealing portion in the corner section.Type: GrantFiled: January 14, 2002Date of Patent: April 6, 2004Assignee: Toyoda Gosei Co., Ltd.Inventors: Takao Nakajima, Masanori Aritake, Haruhisa Kawase, Hisao Hanabusa, Masahiro Takaya
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Publication number: 20030188491Abstract: A weather strip contains an extruded portion and a molded portion, which is integrally connected to an end portion of the extruded portion. The extruded portion includes a sealing portion formed by extrusion molding from a sponge rubber, soft thermoplastic elastomer or sponge thermoplastic elastomer, and an attachment portion having a separable core member embedded therein and formed by co-extrusion molding from a solid rubber, low foamed rubber or thermoplastic elastomer. The molded portion comprises a sealing portion formed of a soft thermoplastic elastomer or spongy thermoplastic elastomer, and an attachment portion formed of a semi-rigid resin.Type: ApplicationFiled: April 14, 2003Publication date: October 9, 2003Inventor: Masanori Aritake
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Patent number: 6625931Abstract: A glass run that is fitted inside the doorframe of a motor vehicle reduces noise due to the use of a fine lubricant powder. The powder prevents noise of inner lips of the glass run. which strike and separate from inner walls of the glass run. The fine powder, such as silicon powder, polyaminde resin powder, molybdenum disulfide powder and fatty acid amide powder, is contained in the main body of an EPDM rubber or TPO in a dispersed condition. Alternatively, foam rubber layers may be formed on the inside walls to reduce noise.Type: GrantFiled: February 15, 2001Date of Patent: September 30, 2003Assignee: Toyoda Gosei Co., Ltd.Inventors: Hitoshi Omori, Masanori Aritake
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Patent number: 6571514Abstract: A weather strip comprises an extruded portion and a molded portion which is integrally connected to a longitudinal end portion of the extruded portion. The extruded portion includes a sealing portion formed by extrusion molding from a sponge rubber, soft thermoplastic elastomer or sponge thermoplastic elastomer, and an attachment portion having a separable core member embedded therein and formed by co-extrusion molding from a solid rubber, low foamed rubber or thermoplastic elastomer. The molded portion comprises a sealing portion formed of a soft thermoplastic elastomer or spongy thermoplastic elastomer, and an attachment portion formed of a semi-rigid resin.Type: GrantFiled: July 21, 2000Date of Patent: June 3, 2003Assignee: Toyoda Gosei Co., Ltd.Inventor: Masanori Aritake
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Patent number: 6499256Abstract: A weather strip comprises an extruded part and a molded part which is connected to the extruded part. The molded part is molded from a material containing a solid particle antifriction material and has 1 to 50 &mgr;m of ten points average surface roughness (Rz) on the surface of the molded part. The material is a thermoplastic elastomer or a soft resin.Type: GrantFiled: August 3, 1999Date of Patent: December 31, 2002Assignees: Toyoda Gosei Co., Ltd., Sumitomo Chemical Co., LimitedInventors: Masanori Aritake, Hironobu Shigematsu, Nobuhiro Natsuyama
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Patent number: 6500561Abstract: An automobile weatherstripping includes an extrusion-formed part and a mold-formed part, the mold-formed part being welded and integrated with the extrusion-formed part. The extrusion-formed part is made of an olefin elastomer and the mold-formed part is made of a resin composition containing an olefin resin, ethylene-&agr;-olefin copolymer rubber, hydrogenated aromatic vinyl conjugated diene compounds block copolymer mineral oil and at least one of natural rubber and butadiene rubber in predetermined proportions. The extrusion-formed part and the mold-formed part have a sufficient level of bonding strength with no bonding agent layer being used therebetween.Type: GrantFiled: March 24, 1998Date of Patent: December 31, 2002Assignees: Toyoda Gosei Co., Ltd., Sumitomo Chemical Company, LimitedInventors: Toru Yoshida, Masayoshi Ichikawa, Masanori Aritake, Hironobu Shigematsu, Hiroshi Ooyama, Tatsuo Hamanaka
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Patent number: 6487820Abstract: A vehicle has a movable member movably disposed in an opening to close or open the opening. The seal is mounted to one of the movable member and an inner edge surrounding the opening conforming to each other. The seal has a seal portion subject to elastic deformation when being pressed against the movable member or the inner edge. The seal portion is made of a vulcanizable rubber. A base portion is made of a thermoplastic elastomer. The seal portion and the base portion are integrated by coextrusion. The rubber of the seal portion is vulcanized when passing through a vulcanizer.Type: GrantFiled: January 28, 2000Date of Patent: December 3, 2002Assignee: Toyoda Gosei Co., Ltd.Inventors: Takao Nakajima, Masanori Aritake, Atsushi Sumida, Hidetaka Fukamachi
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Patent number: 6395355Abstract: A weather strip comprising an extruded body having straight sections and a corner section curving therebetween is disclosed. The extruded body comprises an attachment portion and a hollow sealing portion integrally formed by extrusion molding. The attachment portion is attached to a part of an automobile and the sealing portion is connected to the attachment portion at both ends. The weather strip comprises: an incision slit made on the outer periphery of the sealing portion in the corner section; an incision edge formed on the sealing portion along the incision slit, the incision edge being spread out toward the outer periphery of the corner section with the attachment portion and sealing portion being curved along a corner shape of the part of the automobile; and a molded part formed at least in the vicinity of the incision edge on the back side of the sealing portion in the corner section.Type: GrantFiled: October 29, 1998Date of Patent: May 28, 2002Assignee: Toyoda Gosei Co., Ltd.Inventors: Takao Nakajima, Masanori Aritake, Haruhisa Kawase, Hisao Hanabusa, Masahiro Takaya
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Publication number: 20020058124Abstract: A weather strip comprising an extruded body having straight sections and a corner section curving therebetween is disclosed. The extruded body comprises an attachment portion and a hollow sealing portion integrally formed by extrusion molding. The attachment portion is attached to a part of an automobile and the sealing portion is connected to the attachment portion at both ends. The weather strip comprises: an incision slit made on the outer periphery of the sealing portion in the corner section; an incision edge formed on the sealing portion along the incision slit, the incision edge being spread out toward the outer periphery of the corner section with the attachment portion and sealing portion being curved along a corner shape of the part of the automobile; and a molded part formed at least in the vicinity of the incision edge on the back side of the sealing portion in the corner section.Type: ApplicationFiled: January 14, 2002Publication date: May 16, 2002Inventors: Takao Nakajima, Masanori Aritake, Haruhisa Kawase, Hisao Hanabusa, Masahiro Takaya
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Publication number: 20020025405Abstract: A vehicle glass run is formed with a horizontal-side extrusion part, vertical-side extrusion parts, and corner molding parts for connecting the terminal ends of those in an L shape by molding. The horizontal-side extrusion part and the vertical-side extrusion parts are made of a first material of an olefin thermoplastic elastomer. The corner molding parts are made of a second material which is an olefin thermoplastic elastomer and has a melt flow rate lower than that of the first material. The material swiftly reaches the terminal ends of the extrusion parts, and heat welds them together.Type: ApplicationFiled: August 21, 2001Publication date: February 28, 2002Applicant: TOYODA GOSEI CO., LTD.Inventors: Masanori Aritake, Hitoshi Omori
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Publication number: 20010033927Abstract: An automobile trim has a trim body (a base layer) formed of a rubber composition and having a design surface, a decorating layer formed of a thermoplastic elastomer composition and thermally bonded integrally with the design surface of the trim body. A thermal bonding layer is formed of a thermoplastic resin composition and interposed between the decorating layer and the trim body so that the decorating layer is thermally bonded integrally with the trim body through the thermal bonding layer. The thermal bonding layer has a thickness to an extent not to prevent bending flexibility when the trim is attached to a vehicle body. In another example, a cushion layer is laminated on the trim body and formed of sponge rubber of EPDM, a decorating layer is laminated on the cushion layer and formed by foaming olefin thermoplastic elastomer, and an olefin bonding layer for bonding the cushion layer and the decorating layer.Type: ApplicationFiled: March 6, 2001Publication date: October 25, 2001Inventors: Hitoshi Omori, Masanori Aritake
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Publication number: 20010015034Abstract: A glass run to be fitted inside a doorframe of a motor vehicle, which is capable of preventing occurrence of noises when seal lips of the glass run strike and separate on and from a main body thereof due to vibrations of a door glass. A fine lubricant powder, such as silicon powder, polyamide resin powder, molybdenum disulfide powder and fatty acid amide powder, is contained in the main body of an EPDM rubber or TPO in a dispersed condition.Type: ApplicationFiled: February 15, 2001Publication date: August 23, 2001Inventors: Hitoshi Omori, Masanori Aritake
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Publication number: 20010010856Abstract: A door weather strip having an extruded member and a molded corner for connecting ends of the extruded member. The extruded member is composed of a foamed thermoplastic olefin elastomer which has an average cell diameter of 30 to 70 &mgr;m and an expansion ratio of 150 to 250%.Type: ApplicationFiled: January 26, 2001Publication date: August 2, 2001Inventors: Mitsunobu Teramoto, Masanori Aritake, Hitoshi Omori
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Patent number: 6226926Abstract: A glass run comprised of at least one molded part. The molded part comprises a channel portion having a bottom portion, side walls, seal lips projecting from the side walls and one or more gutters provided on the surface of the bottom portion for discharging debris.Type: GrantFiled: July 14, 1999Date of Patent: May 8, 2001Assignee: Toyoda Gosei Co., Ltd.Inventors: Masanori Aritake, Hitoshi Omori
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Patent number: 6138414Abstract: A door glass run attaches to a door frame of a vehicle for guiding upward and downward movement of a glass window. In the door glass run of this invention, a plurality of grooves formed in the bottom surface of the door glass run extend lengthwise and are spaced widthwise from each other at predetermined intervals. According to one embodiment, the grooves are arranged so as to successively increase in cross-sectional areas thereof from a centermost groove or centermost grooves to outermost grooves. According to another embodiment, the bottom surface of the door glass run includes both a central surface portion that is flat and free of grooves and side surface portions, which are formed on opposite side walls of the flat central surface portion and have grooves formed therein.Type: GrantFiled: September 8, 1998Date of Patent: October 31, 2000Assignee: Toyoda Gosei Co., Ltd.Inventors: Hitoshi Ohmori, Masanori Aritake, Atushi Yatuda