Patents Assigned to Tokai Kogyo Kabushiki Kaisha
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Patent number: 5916075Abstract: A glass-run channel comprises a sectionally U-shaped body which is installed on a window frame of a door of a vehicle and a glass sealing lip which slidably contacts a windowpane 81 which is opened and closed. The rear surface of the glass sealing lip and/or the inner surface of the body are covered with a sliding-contact material formed of a material different from that of the body and having a high degree of sliding-contact performance.Type: GrantFiled: October 22, 1997Date of Patent: June 29, 1999Assignee: Tokai Kogyo Kabushiki KaishaInventors: Yuji Tanaka, Yukimasa Ando, Masaki Shiraiwa
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Patent number: 5914083Abstract: An assembly of a windshield glass and a weather strip having a partly modified cross section is provided. As the weather strip is extruded along the peripheral edge of the windshield glass and fixedly adhered thereto, a movable die 132 of a die assembly is properly moved so as to change the shape of an orifice of the die assembly.Type: GrantFiled: September 15, 1997Date of Patent: June 22, 1999Assignee: Tokai Kogyo Kabushiki KaishaInventors: Yukihiko Yada, Toshikazu Ito
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Patent number: 5858502Abstract: A weatherstrip molding exhibiting an excellent fitting capability with a corner section of a windshield frame of a vehicle. Even when the weatherstrip molding has been folded for a certain period of storage or packing, no cease mark or wrinkle is left on a slide contact section thereof. The weatherstrip molding includes a main body section fit with a windshield frame of a vehicle and a slide contact section slidably contacted with a windshield moving up and down, both of which are integrally molded. The main body section is formed of an olefin thermoplastic elastomer containing olefin resin and rubber. The slide contact section is formed of a mixture containing a polyolefin resin and a thermoplastic elastomer such as a styrene thermoplastic elastomer.Type: GrantFiled: September 18, 1996Date of Patent: January 12, 1999Assignee: Tokai Kogyo Kabushiki KaishaInventor: Yuji Tanaka
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Patent number: 5837297Abstract: An apparatus for producing an automobile windshield molding for sealing a space between a windshield and a periphery of a window opening of a vehicle body panel utilizes cooperating dies. The windshield molding comprises a pair of extruded side molding parts, a pair of extruded corner molding parts, and an extruded upper molding part integral with and extending between the side and corner molding parts. Each of the side molding parts associated with each side edge of the windshield is larger in thickness compared to the upper and corner molding parts, where a water drain channel is formed.Type: GrantFiled: June 10, 1996Date of Patent: November 17, 1998Assignee: Tokai Kogyo Kabushiki KaishaInventors: Yukihiko Yada, Tosikazu Ito
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Patent number: 5833297Abstract: A windshield molding for vehicles and the production method thereof consisting of common sections 2A and 2C which are molded using a more rigid material P1 to provide the rigidity required to maintain the position and shape of the molding during and after installation, and of bending sections 2B being installed in bent shapes which are molded by use of a more flexible material to provide the required flexibility for bending molding 2 easily, thus providing satisfactory bending ease and transportation ease while maintaining sufficient rigidity as required for stable installation.Type: GrantFiled: January 16, 1997Date of Patent: November 10, 1998Assignee: Tokai Kogyo Kabushiki KaishaInventors: Yukihiko Yada, Tosikazu Ito
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Patent number: 5817268Abstract: A method of manufacturing a panel unit constituted of a panel and a frame provided on the periphery of the panel. The method comprises the steps of providing a first die having a molding groove and a panel receiving space formed therein, and a second die engageable with the first die and having a molding groove formed therein, mounting the first die on the periphery of the panel, engaging the second die with the first die to form on the periphery of the panel a molding space of which the cross-sectional configuration corresponds to that of the frame, extruding molding material into the molding space, and applying relative motion between the second die and the first die to move the second die along the first die, thereby integrally forming the frame on the periphery of the panel.Type: GrantFiled: January 30, 1997Date of Patent: October 6, 1998Assignee: Tokai Kogyo Kabushiki KaishaInventor: Tosikazu Ito
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Patent number: 5807588Abstract: This invention aims to shorten cycle time by allowing a robot to be operated with speed capability regardless of the shape of moldings. An extrusion molding apparatus has an extrusion molding machine which delivers an extrusion material which becomes a frame-shaped molding through a nozzle fore end, and a robot which holds a workpiece on which the molding is formed and whose working speed is set so as to make travel speed of workpiece rectilinear portions with respect to the nozzle fore end higher than travel speed of workpiece corner portions with respect to the nozzle fore end. Thus, changes in workpiece travel speed with respect to the nozzle fore end are allowed, and robot working speed is not restricted by the shape of moldings.Type: GrantFiled: July 26, 1996Date of Patent: September 15, 1998Assignees: Toyota Jidosha Kabushiki Kaisha, Tokai Kogyo Kabushiki KaishaInventors: Nobuhiko Todaka, Satoshi Yamaguchi, Yoichi Hirai, Junji Arai, Kazunori Ueda, Kenichi Mitsuta
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Patent number: 5804118Abstract: A molding with the cross-section thereof varying in the longitudinal direction. The molding includes: a support strip; and a protector provided along the length of the support strip so as to bring the molding into contact with a window glass; the support strip including a mounting portion, an outer piece with the height thereof varying along the length of the support strip and a top portion for connecting the mounting portion and the outer piece; and the protector being integrally provided with the outer piece of the support strip at the lower portion thereof by extrusion molding.Type: GrantFiled: April 24, 1996Date of Patent: September 8, 1998Assignee: Tokai Kogyo Kabushiki KaishaInventors: Yukihiko Yada, Kazuyoshi Higuchi
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Patent number: 5797530Abstract: A second frame 12 is arranged at a predetermined position with respect to a drive sprocket 15 engaged with a drive shaft DS through a substantially true-circular hole shape drive bearing bore 14, and a transferring belt 25 is supported by a belt guide 18 integrally incorporated with the second frame 12 under a suitable tension while a predetermined positional relationship is maintained between the transferring belt 25 and the drive sprocket 15.Type: GrantFiled: January 27, 1997Date of Patent: August 25, 1998Assignee: Tokai Kogyo Kabushiki KaishaInventors: Sadao Unuma, Tohru Hamamoto
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Patent number: 5795597Abstract: This invention enables execution of the continuous extrusion-molding of a windshield molding provided with a rainwater drainage groove with sufficient rainwater retaining function simply and satisfactorily. The windshield molding includes a decorative section of an upper molding section of the entire windshield 2 to be installed throughout the upper section and both of the side sections of the windshield glass extended externally and provided with a rainwater retaining groove in the extended thick body portion. All of the molding sections including the upper molding section the side molding sections etc. are continuously extrusion-molded.Type: GrantFiled: March 8, 1996Date of Patent: August 18, 1998Assignee: Tokai Kogyo Kabushiki KaishaInventor: Yukihiko Yada
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Patent number: 5772940Abstract: In a method of manufacturing moldings and an apparatus therefore, a ridge piece 20 protrudes from a molding main body 10 of a molding 1 in a lip manner is removed gradually from a leading end side to a root side by a lip removing piece 33 moving together with a second die 32 which changes the extrusion contour of the molding main body 10, then the ridge piece 20 is removed by the movement of the second die 32 without decreasing the thickness of the ridge piece 20 thinning. Accordingly, the ridge piece 20 can be removed effectively by the simple operation and apparatus without requiring the operation such as the after-treatment, which can result in the improvements of the productivity of the molding 1, the appearance of the molding 1, and the reliability.Type: GrantFiled: August 30, 1996Date of Patent: June 30, 1998Assignee: Tokai Kogyo Kabushiki KaishaInventor: Yoshihiro Aoyama
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Patent number: 5744172Abstract: An extrusion molding machine for manufacturing a panel unit including a panel and a frame mounted on a peripheral edge of the panel. The extrusion molding machine includes molding die for forming the frame on the peripheral edge of the panel by extrusion molding. The molding die are adapted to follow the fluctuation of the peripheral edge of the panel caused by variation of curvature of the panel.Type: GrantFiled: December 3, 1996Date of Patent: April 28, 1998Assignee: Tokai Kogyo Kabushiki KaishaInventors: Nobuhiko Todaka, Yoichi Hirai
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Patent number: 5718470Abstract: A windshield molding which drains rainwater smoothly through the rainwater groove provided at necessary sections and having different depth in the longitudinal direction for better drainage and which can be produced simply and continuously as a single molding without the addition of cutting or other processes.Type: GrantFiled: February 21, 1997Date of Patent: February 17, 1998Assignee: Tokai Kogyo Kabushiki KaishaInventors: Yukihiko Yada, Yoichi Hirai
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Patent number: 5662851Abstract: A molding method which provides a relatively simple structure, while also providing a pleasing appearance which is adaptable to a variety of ornamental and artistic applications. The molding is produced by extruding an ornamental core, and joining trimming portions to the sides of the ornamental core. Where the ornamental core and trimming are formed of materials which can be readily joined together, the trimming is melt bonded directly to the side surfaces of the ornamental core. Alternatively, a foil laminate can be provided, and the ornamental core is joined to an upper layer of the foil laminate, with the trimming joined to a lower layer of the foil laminate. If desired, the width of the ornamental coil can be changed during extrusion molding, such that the width varies along the longitudinal direction of the molding.Type: GrantFiled: June 6, 1995Date of Patent: September 2, 1997Assignee: Tokai Kogyo Kabushiki KaishaInventors: Yukihiko Yada, Tosikazu Ito
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Patent number: 5656223Abstract: A method of forming a windshield molding which drains rainwater smoothly through the rainwater groove provided at necessary sections and having different depth in the longitudinal direction for better drainage and which can be produced simply and continuously as a single molding without the addition of cutting or other processes.Type: GrantFiled: June 7, 1995Date of Patent: August 12, 1997Assignee: Tokai Kogyo Kabushiki KaishaInventors: Yukihiko Yada, Yoichi Hirai
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Patent number: 5632939Abstract: The invention provides a method of producing a platelike article having a molding formed on a peripheral edge thereof, using an extrusion die having a cavity for supplying a molding material to the peripheral edge. The peripheral edge has a straight portion and a curved corner portion. The cavity has first and second cavity portions.Type: GrantFiled: February 28, 1995Date of Patent: May 27, 1997Assignees: Central Glass Company, Ltd., Tokai Kogyo Kabushiki KaishaInventors: Tosikazu Ito, Yutaka Yamauchi, Takashi Araki
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Patent number: 5628948Abstract: An automobile windshield molding is installed together with a metallic core material against a windshield installed in a window opening section of an automobile body panel. The windshield molding having a decorative section for covering an outside portion of the vehicle body panel and an installation section projecting from a rear side of the decorative section. The molding also includes a metallic core material which acts as a supporting frame for the molding. The metallic core material is disposed from the decorative section to the installation section.Type: GrantFiled: June 7, 1995Date of Patent: May 13, 1997Assignee: Tokai Kogyo Kabushiki KaishaInventors: Yukihiko Yada, Toshio Hirose
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Patent number: 5618079Abstract: The molding 2 is extruded while continuously changing the width and the thickness of the decorative portion 21 at the upper molding section 2A and the side molding section 2C to continuously produce the molding 2 throughout the entire length without adding cutting or other processes, and during the continuous extrusion molding, a rainwater groove 28 is provided on the inner periphery wall of the enlarged thick section 21a of the decorative portion 21. The rainwater groove 28 having a good damming function is formed with high rigidity on the decorative portion 21 at the side molding section 2C. Furthermore, the decorative portion 21 at the upper molding section 2A where no rainwater groove is formed is made thin to achieve the light weight and cost reduction of the molding. This also ensures a good driving field of view, thereby improving safety.Type: GrantFiled: April 7, 1995Date of Patent: April 8, 1997Assignee: Tokai Kogyo Kabushiki KaishaInventors: Yada Yukihiko, Hirai Yoichi
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Patent number: 5607197Abstract: A method and apparatus for producing an automobile windshield molding for sealing a space between a windshield and a periphery of a window opening of a vehicle body panel utilized cooperating dies. The windshield molding comprises a pair of extruded side molding parts, a pair of extruded corner molding parts, and an extruded upper molding part integral with and extending between the side and corner molding parts. Each of the side molding parts associated with each side edge of the windshield is larger in thickness compared to the upper and corner molding parts, where a water drain channel is formed.Type: GrantFiled: June 7, 1995Date of Patent: March 4, 1997Assignee: Tokai Kogyo Kabushiki KaishaInventor: Yukihiko Yada
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Patent number: 5588691Abstract: A windshield molding which drains rainwater smoothly through the rainwater groove provided at necessary sections and having different depth in the longitudinal direction for better drainage can be produced simply and continuously as a single molding without the addition of cutting or other processes.Type: GrantFiled: January 3, 1996Date of Patent: December 31, 1996Assignee: Tokai Kogyo Kabushiki KaishaInventors: Yukihiko Yada, Yoichi Hirai