Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Including application of internal fluid pressure to hollow...
Patent
1995-11-28
1997-12-09
Timm, Catherine
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Including application of internal fluid pressure to hollow...
425532, 425534, B29C 4904
Patent
active
056957114
ABSTRACT:
The parison transporting device includes a straight mold trough formed by pins which are arranged relative to one another in V-shaped configuration when viewed in cross-section and which can be retracted into pneumatic cylinders to open the bottom of the mold trough. The parison transporting device is moved in the tube receiving position in straight fashion below the tube forming head of a blow molding machine to receive a tubular parison. The parison transporting device is subsequently moved to the blow mold. It is moved there over the mold cavity in such a manner that the tubular member inside the mold trough is positioned with successive sections above the mold cavity, the respectively aligning sections of the tubular piece being released by withdrawing pairs of pins and being dropped side by side into the mold cavity.
REFERENCES:
patent: 4777006 (1988-10-01), Wenger et al.
patent: 5288224 (1994-02-01), Yamamura et al.
patent: 5454635 (1995-10-01), Geiger
Timm Catherine
Verwaltungsgelellschaft Geiger Technik GmbH
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