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1. 发明专利

JPH0647768A METHOD FOR INSERTION MOLDING 失效
公开(公告)号：JPH0647768A
公开(公告)日：1994-02-22
申请号：JP19538892
申请日：1992-07-22
申请人： AISIN CHEM
发明人： TANAKA TSUNEKICHI
IPC分类号： B24B19/26 , B29C33/12 , B29C33/42 , B29C45/14 , B29K81/00 , B29K105/22 , B29L31/30
摘要： PURPOSE:To provide a method for molding an insert which can be handled easily when an annular molded product having annular members arranged in an axial direction, is manufactured. CONSTITUTION:A metal member 1 is arranged at the first specified position for a molding die, and a drum 2 is arranged at the second specified position for the molding die so that the drum 2 is positioned to have a specified relationship with the metal member 1 inside the latter. Next, a molten PES is injected into a cavity formed between the metal member 1, the drum 2 and the molding die, then is allowed to become hardened to obtain a semi-finished product, with the periphery of the metal member 1 exposed. After that, the semi-finished product thus obtained is taken out, and the outer periphery of the metal member 1 exposed of the semi-finished product is ground until the PES injected into the recessed part of the uneven surface and hardened, appears on the outer periphery to obtain a finished product.

2. 发明专利

JPH02253912A METHOD OF MANUFACTURING LEVER FOR DOOR CHECK 失效
公开(公告)号：JPH02253912A
公开(公告)日：1990-10-12
申请号：JP7768289
申请日：1989-03-28
申请人： AISIN CHEM , AISIN SEIKI
发明人： TANAKA TSUNEKICHI , OKUMURA JUNJI , NASUDA HIROKI
IPC分类号： E05C17/22 , B29C45/00 , B29C45/14 , B29L31/30 , B60J5/04 , E05C17/20
摘要： PURPOSE:To put fiber orientation in order in a sliding direction, and prevent the occurrence of welds by making the gate position of a mold as the position equivalent to one end of sides extending to the sliding direction of a lever, and injecting molten resin containing reinforced fibers through a gate and flowing it in the cavity along the direction equivalent to the sliding direction of the sliding surface. CONSTITUTION:A lever 1 comprises an insert 11 made of iron and a resin layer 12 wherein only one end of the insert 11 is exposed and the entire of the remained part is covered therewith. A gate 4 is provided on the end of a cavity 5 equivalent to the one end 10 of the lever 1, and molten resin containing aramid fibers is flowed in the direction of allow, and then the inside of the cavity 5 is filled therewith so as to mold the lever 1. In the sliding surface of the lever 1, the aramid fibers orientates along the sliding direction, as a result, there never occur any welds therearound.

3. 发明专利

JPS6388202A MANUFACTURING METHOD FOR IMPELLER 失效
公开(公告)号：JPS6388202A
公开(公告)日：1988-04-19
申请号：JP23149486
申请日：1986-09-30
申请人： AISIN CHEM , AISIN SEIKI
发明人： TANAKA TSUNEKICHI , ISHIKAWA KAZUO
IPC分类号： F04D29/22 , F01D5/00 , F16H41/28
摘要： PURPOSE:To simplify a forming die for an impeller by forming divided halves of an impeller for the inflowing side and for the outflowing side and uniting the two mutually in one body. CONSTITUTION:An impeller F is to be divided into two almost at a right angle to the axis direction and a half impeller 6 for the fluid inflowing side and another half impeller 8 for the outflowing side are to be formed into different forms using forming dies. After the half impeller 6 for the inflowing side and the half impeller 8 for the outflowing side are united mutually in one body, they are to be united to a ring member 13. Since the impeller is divided into two, it becomes easy to draw the impeller out form the forming die and the die can be made in a simplified structure.

4. 发明专利

JPH04128043A RESIN DECORATIVE PRODUCT AND MANUFACTURE THEREOF 失效
公开(公告)号：JPH04128043A
公开(公告)日：1992-04-28
申请号：JP25078890
申请日：1990-09-19
申请人： AISIN SEIKI , AISIN CHEM
发明人： TAUCHI HITOSHI , NAKANO TOSHIHIRO , TANAKA TSUNEKICHI , ITOU YOSHINOBU
IPC分类号： B32B33/00 , B29C45/14 , B29K77/00 , B29L31/10 , B29L31/30 , B29L31/52 , B32B27/32 , B44C5/04 , B60J1/02
摘要： PURPOSE:To obtain a resin decorative product excellent in abrasion resistance and oil resistance by providing a decorative part on the single surface of a sheet composed of a polyamide type synthetic polymer material using isocyanate cured polyurethane type ink and applying an isocyanate cured polyurethane type adhesive to the surface printed with the decorative part of the sheet to integrate the sheet with the body. CONSTITUTION:A decorative part 2 is printed on the rear of a sheet 1 composed of a punched polyamide type synthetic polymer using isocyanate cured urethane type ink. Next, the sheet 1 is dried for about 1hr at room temp. and an isocyanate cured urethane type adhesive is applied to the entire rear of the sheet 1. The sheet 1 having the adhesive layer 3 formed thereto is inserted in the movable mold 21 of a mold so that the adhesive layer 3 becomes inside and, further, a resin composed of nylon 6 is injected in the fixed mold 22 of the mold from a cylinder through a runner 23. The resin is injected in the mold by this method and a resin plate 4 is taken out of the mold along with the integrally molded sheet 1 to obtain a molded product 5. By this constitution, effect excellent in abrasion resistance and oil resistance can be displayed.

5. 发明专利

JPH026111A THRUST BEARING MADE OF RESIN AND ITS MANUFACTURE 失效
公开(公告)号：JPH026111A
公开(公告)日：1990-01-10
申请号：JP15629088
申请日：1988-06-24
申请人： AISIN CHEM , AISIN SEIKI
发明人： TANAKA TSUNEKICHI , NAKAI KIYOTAKA
IPC分类号： B29C45/14 , B29C45/16 , B29L31/04 , F16H41/28
摘要： PURPOSE:To obtain the thrust bearing made of resin which has excellent mechanical property, heat resistance and less sliding friction and does not damage engaged parts by a method in which the surface layer of the position sliding on engaged parts is made of the resin sheet with low friction coefficient, and the other position is integrally molded with the material certaining main component resin and reinforcements. CONSTITUTION:In the thrust bearing 21 made of resin, the surface layer 23a sliding on engaged parts 3 is composed of the resin sheet 25 with low friction coefficient, and the other position is composed of the material containing main component resin and reinforcements. This bearing 21 is molded as following. That is, the resin sheet 25 wherein on one surface, easy adhesion treatment is applied, and which has extendable and shrinkable property and low friction coefficient, is arranged in the cavity 31 of a mold 30 so as to place the surface 25a of easy adhesion-treatment inside. Next, the molten resin 26 containing the main component resin and the reinforcements is poured into the inner side of the resin sheet 25 in the cavity 31, and the main component resin and the reinforcements are integrally molded with the resin sheet 25. Consequently, the thrust bearing made of resin which has small sliding resistance, small abrasion wear, and does not damage the engaged parts, and further is fully durable for the transmission of torque at high temperature, is obtained.

6. 发明专利

JPH10103237A ACCUMULATOR 失效
公开(公告)号：JPH10103237A
公开(公告)日：1998-04-21
申请号：JP27288297
申请日：1997-10-06
申请人： AISIN CHEM , AISIN AW CO
发明人： TANAKA TSUNEKICHI , HOSOKAWA NAOJI
IPC分类号： F04B39/00 , B29C33/44 , B29C45/44 , B29L23/00 , F15B1/24
摘要： PROBLEM TO BE SOLVED: To form undercuts in the internal wall of an accumulator. SOLUTION: An accumulator piston 20 is provided with an external mold, which comprises a slide core 1 forming the external profile of the accumulator piston 20, slide core 2, and fixed mold internal diameter core 3, an undercut forming mold 12, which is positioned inside the external mold and forms an undercut 24, which is divided into plurality in the peripheral direction of a cylindrical internal wall face, and a slit forming mold 11, which divides the undercut 24 into plural. The slit forming mold 11 is pulled out after injection molding, and then undercuts are formed by pulling out the undercut forming mold 12 with the diameter of the undercut forming mold 12 made small.

7. 发明专利

JPH08118395A PULLEY MADE OF RESIN AND ITS MANUFACTURE AND MANUFACTURING DEVICE 失效
公开(公告)号：JPH08118395A
公开(公告)日：1996-05-14
申请号：JP26490894
申请日：1994-10-28
申请人： AISIN CHEM , NTN TOYO BEARING CO LTD
发明人： TANAKA TSUNEKICHI , ITOU YOSHINOBU , NIKI MOTOHARU
IPC分类号： F16H55/48 , B29C45/00
摘要： PURPOSE: To obtain a pulley made of a resin which has high perfect roundness of the outer circumference and a difference in the perfect roundness between those of both the sides is small. CONSTITUTION: At the time of monolithic molding of a resin part main body provided with a circular dislike base part 11, an inner ring 13, outer ring 15 and a large number of ribs 17 extending radially through injection molding by inserting a bearing 19, a plurality of pin gates 41 are arranged on one side end face of the inner ring 13 substantially at equal intervals along a circumferential direction and between the ribs 17 adjoining to each other and a thickness (the outer diameter) is made shorter than that of the gate side inner ring 13a. Since the ribs are provided, for example, in eighteen pieces and the outer rings are formed by a polygonal uniform resin flow corresponding to a number of the ribs, pulley having high perfect roundness is obtained. Then since the thickness of the inner ring on an anti-gate side is short, the anti-gate side is made to dwell and a difference in perfect roundness between those of the anti-gate side and gate side becomes small.

8. 发明专利

JPH05104626A PRODUCTION OF RESIN BODY HAVING PATTERN 失效
公开(公告)号：JPH05104626A
公开(公告)日：1993-04-27
申请号：JP26648491
申请日：1991-10-15
申请人： AISIN CHEM
发明人： TANAKA TSUNEKICHI , SUZUKI HIROMI
IPC分类号： B29C59/00 , B29K101/10 , C08J7/00
摘要： PURPOSE:To obtain a pattern having good appearance and excellent in resistance to wear by discoloring the surface of a resin body showing a predetermined color and removing a part of the discolored surface layer of the resin body to expose the matrix of the resin body to develop a pattern such as a picture or a character. CONSTITUTION:For example, a phenolic resin molding material having a predetermined composition compounded with green pigment is injected in the molding cavity of a mold to mold an injection molded resin body 1 such as a cap for the engine room of a car. At this time, a protruding part 10 forming a picture meaning [oil injection pot] or a protruding part 11 forming a character [OIL] is formed to the upper surface part of the resin body 1 as a pattern. Next, the resin body 1 is heat-treated in a thermostatic tank and the entire surface of the resin body is oxidized and discolored to form a discolored surface layer 2 showing a black color different from the green color being the internal color of the resin body. Thereafter, the discolored surface layer 2 formed to the protruding part 10 or 11 is ground by a grinder to expose the green color of the matrix of the resin body.

9. 发明专利

JPH04147817A RESIN MOLDED BODY HAVING FILM-LIKE SKIN 失效
公开(公告)号：JPH04147817A
公开(公告)日：1992-05-21
申请号：JP27428390
申请日：1990-10-11
申请人： AISIN CHEM
发明人： TANAKA TSUNEKICHI , ITOU YOSHINOBU
IPC分类号： B29C45/14 , B29C45/16 , B29L9/00
摘要： PURPOSE:To prevent the formation of a gas sump, the shift of a sheet and the release of the sheet after a resistance-to-moist heat cycle test by providing the recessed part opened to the design surface and side peripheral surface of a skin to the peripheral edge part of the design surface of the skin and providing the grasping part formed by filling the recessed part to a part of a substrate. CONSTITUTION:A resin molded body is, for example, the lid member of the oil tank of a car and constituted of a resin substrate 1 and the film-like skin 2 integrally bonded to the resin substrate 1. A recessed part 20 is filled with a part of the resin of the substrate 1 to form a grasping part 10 and the skin 2 is integrally bonded to the substrate 1. Therefore, in this resin molded body, even when a resistance-to-moist heat cycle test is performed, since the skin 2 is mechanically held to a part of the substrate 1 by the grasping part 10, the release of the skin 2 is prevented. Since the resin molded body can be prepared by a direct gate system, trouble such as a gas leak or the shift of the skin is also prevented.

10. 发明专利

JPH09174624A SYNTHETIC RESIN PRODUCT AND ACCUMULATOR 失效
公开(公告)号：JPH09174624A
公开(公告)日：1997-07-08
申请号：JP34052895
申请日：1995-12-27
申请人： AISIN CHEM , AISIN AW CO
发明人： TANAKA TSUNEKICHI , HOSOKAWA NAOJI
IPC分类号： B29C33/44 , B29C45/44 , B29D23/00
摘要： PROBLEM TO BE SOLVED: To form an undercut in the inner wall of a synthetic resin molded product. SOLUTION: An accumulator piston 20 is equipped with an outer die composed of a slide core 1 which forms the shape of the accumulator piston 20, a slide core 2, a fixed die inner diameter core 3, etc., an undercut forming die 12 which forms an undercut 24 which is positioned inside the die and is sectioned in a circumferential direction in a plurality, a slit molding die 11 which forms slits dividing the undercut 24, after molding, the slit forming die 11 is drawn out, and then the undercut forming die 12 is reduced in diameter and pulled out for forming.

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