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1. 发明专利

JPH0236455B2 失效
公开(公告)号：JPH0236455B2
公开(公告)日：1990-08-17
申请号：JP18144385
申请日：1985-08-19
申请人： YOSHINO KOGYOSHO CO LTD
发明人： HAYASHI YOSHIAKI , TAKADA TAKUZO
IPC分类号： B65D1/02 , B29B11/14 , B29C49/02 , B29C49/64 , B29K67/00

2. 发明专利

JPS62216719A MANUFACTURE OF PLASTIC CYLINDRICAL BODY 失效
公开(公告)号：JPS62216719A
公开(公告)日：1987-09-24
申请号：JP6154186
申请日：1986-03-19
申请人： YOSHINO KOGYOSHO CO LTD
发明人： TAKADA TAKUZO , MOGI KATSUYUKI , HOSOKAWA YASUHEI
IPC分类号： B29C47/88 , B29L23/00
摘要： PURPOSE:To obtain a homogeneous cylindrical body by cooling the cylindrical body suddenly and uniformly, by a method wherein the extruded cylindrical body is led within a cooling liquid tank through a sizer, led further into a liquid feeding cylinder mounted within a cooling liquid tank and cooled by a jet flow jetted through a slit on the circumference of an inner wall of the liquid feeding cylinder. CONSTITUTION:Resin melted by heating by an extruding machine 1 is extruded through a die 3 by making the same into a cylindrical body 6, led within a cooling liquid tank 7a, which is filled with a cooling liquid, through a sizer 9, further led within a liquid feeding cylinder 13, the cooling liquid is jetted through a slit 15 provided on the circumference of an inner wall of the liquid feeding cylinder 13 by sending the cooling liquid into the liquid feeding cylinder 13 through a pressing-in port 14 and the cylindrical body 6 is cooled through Coanda effect by flowing the cooling liquid within a gap 16 at high speed. Then the cylindrical body 6 is led within a cooling liquid tank 7b through a liquid sealing device 19, taken off further by a take-off device 28 through the liquid sealing devices 19, 19 and the transparent cylindrical body 6 is obtained.

3. 发明专利

JPS61178833A BIAXIAL ORIENTED BLOW MOLDED BOTTLE BODY AND MOLDING METHOD THEREOF 失效
公开(公告)号：JPS61178833A
公开(公告)日：1986-08-11
申请号：JP18144385
申请日：1985-08-19
申请人： YOSHINO KOGYOSHO CO LTD
发明人： HAYASHI YOSHIAKI , TAKADA TAKUZO
IPC分类号： B65D1/02 , B29B11/14 , B29C49/02 , B29C49/64 , B29K67/00

4. 发明专利

JPH069862B2 失效
公开(公告)号：JPH069862B2
公开(公告)日：1994-02-09
申请号：JP6154286
申请日：1986-03-19
申请人： YOSHINO KOGYOSHO CO LTD
发明人： TAKADA TAKUZO , MOGI KATSUYUKI , HOSOKAWA YASUHEI
IPC分类号： B29C47/88 , B29C47/00 , B29C55/24 , B29C55/26

5. 发明专利

JPH0558892B2 失效
公开(公告)号：JPH0558892B2
公开(公告)日：1993-08-27
申请号：JP17949081
申请日：1981-11-09
申请人： YOSHINO KOGYOSHO CO LTD
发明人： TAKADA TAKUZO
IPC分类号： B29C65/00 , B29B11/08 , B29C49/00 , B29C49/06 , B29C49/08 , B29C49/12 , B29C49/30 , B29C49/42 , B29C49/48 , B29C49/64 , B29C49/68 , B29C49/76 , B29L22/00

6. 发明专利

JPH0156892B2 失效
公开(公告)号：JPH0156892B2
公开(公告)日：1989-12-01
申请号：JP7558481
申请日：1981-05-19
申请人： YOSHINO KOGYOSHO CO LTD
发明人： TAKADA TAKUZO , IIZUKA TAKAO
IPC分类号： B29C49/64 , B29B11/08 , B29C49/06 , B29C49/08 , B29C49/76 , B29C65/00 , B29C71/02 , B29K67/00 , B29L22/00

7. 发明专利

JPS649237B2 失效
公开(公告)号：JPS649237B2
公开(公告)日：1989-02-16
申请号：JP15442583
申请日：1983-08-24
申请人： YOSHINO KOGYOSHO CO LTD
发明人： TAKADA TAKUZO
IPC分类号： B67C3/22 , B65D1/02 , B67C3/14

8. 发明专利

JPS634932A BLOW MOLDING METHOD AND APPARATUS 失效
公开(公告)号：JPS634932A
公开(公告)日：1988-01-09
申请号：JP14916786
申请日：1986-06-25
申请人： YOSHINO KOGYOSHO CO LTD , MITSUBISHI PETROCHEMICAL CO
发明人： KINOSHITA HARUMI , TAKADA TAKUZO , UEMATSU TAKEFUMI
IPC分类号： B29C49/18 , B29C49/22 , B29C49/48 , B29L22/00
摘要： PURPOSE:To certainly fuse an outer layer to secure the hiding of an inner layer, by molding a part pinched off into a chevron shape toward the inside aud fusing the outer layer opposed part inside the chevron shape part. CONSTITUTION:A three-layered parison A is extruded from a crosshead die la to be suspended. Left and right core pieces 6a, 6b are raised by a predetermined distance and split mold parts 2a, 2b are allowed to approach each other to cut the parison by pinch-off parts 5a, 5b, 7a, 7b. Compressed air is blown in the parison from an air nozzle 1b to closely contact the parison with the cavity wall demarcated by a blow molding mold 2 and a mold core 6. At this time, a part pinched off is formed into a mountain-shaped part alpha toward the inside. Blow-in pressure is excluded and the mold cores 6a, 6b are allowed to fall to form a gap beta and, thereafter, blow-in pressure is applied to fuse the outer layer opposed part inside the cheuron-shaped part alpha and the pinch-off part is formed into a steep chevron part gamma protruded to the inside. A three- layered part is strongly fused by said steep chevron part and an inner layer is certainly hidden by an outer layer.

9. 发明专利

JPS62211125A METHOD AND DEVICE FOR THERMAL FIXING OF PLASTIC ORIENTED PIPE 失效
公开(公告)号：JPS62211125A
公开(公告)日：1987-09-17
申请号：JP5453686
申请日：1986-03-12
申请人： YOSHINO KOGYOSHO CO LTD
发明人： TAKADA TAKUZO , MOGI KATSUYUKI , HOSOKAWA YASUHEI , KINOSHITA HARUMI
IPC分类号： B29C55/24 , B29C71/02
摘要： PURPOSE:To provide a plastic oriented pipe with a 'play' for shrinkage and permit to effect efficient thermal fixing by a method wherein the plastic oriented pipe is inflated so as to enlarge the diameter thereof and is heated, thereafter, the pipe is shrinked to a state provided with a smaller diameter than the initial diameter thereof, then, is cooled. CONSTITUTION:When a plastic oriented pipe 1 is fitted to a cooling shaft 2, the shaft 2 is inserted into a heating cylinder 3 and compressed air is blown into the pipe through an air passageway 5, the pipe is inflated and is heated while being adhered to the inner surface of the main body 11 of the cylinder heated previously by a heater 13. This condition is kept for a predetermined period of time, thereafter, the compressed air in the pipe determined period of time, thereafter, the compressed air in the pipe 1 is extracted, then, the pipe is shrinked and is cooled while being adhered to the outer wall of the cooling shaft 2, being cooled by cooling liquid, whereby thermal fixing of the pipe is finished. Thereafter, the cooling shaft 2, to which the pipe is fitted, is removed from the heating cylinder 3, the compressed air is sent into the pipe again to inflate the pipe and the pipe is removed from the cooling shaft 2 whereby the plastic oriented pipe, resistant to high temperature and made of polyethylene terephthalate, may be obtained.

10. 发明专利

JPS6139169B2 失效
公开(公告)号：JPS6139169B2
公开(公告)日：1986-09-02
申请号：JP14445177
申请日：1977-12-01
申请人： YOSHINO KOGYOSHO CO LTD
发明人： AKUTSU MASAO , TAKADA TAKUZO
IPC分类号： B29B11/06 , B29B11/08 , B29C45/00 , B29C49/00 , B29C49/06 , B29C49/08 , B29C49/10 , B29C49/68 , B29C55/00 , B29C55/24 , B29C65/00 , B29K67/00 , B29L22/00

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