Plastic article or earthenware shaping or treating: apparatus – Preform severing means – Serially arranged with preform reshaping means
Patent
1996-07-03
1998-08-04
Heitbrink, Tim
Plastic article or earthenware shaping or treating: apparatus
Preform severing means
Serially arranged with preform reshaping means
425384, 425385, 425388, 425395, 4254031, B29C 1700
Patent
active
057889996
ABSTRACT:
A photo film cassette has a spool core on which photo film (14) wound in a form of a roll. A disk (19, 20) has an axial hole (19a, 20a) formed therein, and is secured to each of ends of the spool core, for regulating ends of the roll of the photo film in the cassette. A sheet (74) of thermoplastic synthetic resin is supplied one after another. There are plural disk-like portions (65) and a positioning portion (66) formed on the sheet. A positioning pin (112) is fitted on the positioning portion of the sheet being supplied, for positioning the sheet. An upper blade group (106) includes 12 upper blades (110, 111). An lower blade group (107) includes 12 lower blades (114, 115). The upper and lower blade groups squeeze 12 of the disk-like portions while the sheet is positioned by the positioning device, for punching the axial hole and a contour of the disk, to obtain 12 disks. A vacuum pump (152) is caused by a valve (156) to suck the 12 disks on the upper blade group, to remove the 12 disks from the sheet. The vacuum pump is caused by a valve (158) to suck dust punched from the axial hole in the 12 disks through the lower blade group, to eject the punched dust. Stacker pins (103) stack the 12 disks from the upper blade group. A sheet remover (88) exits the sheet after punching plural disks.
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patent: 5453237 (1995-09-01), Padovani
Mizuno Kazunori
Tomita Akira
Fuji Photo Film Co. , Ltd.
Heitbrink Tim
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