Resilient skirted spindle nose and pallet with reciprocatable sp

Details Resilient skirted spindle nose and pallet with reciprocatable sp Resilient skirted spindle nose and pallet with reciprocatable sp

1986-08-27

1987-07-07

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Female mold and means to shape parison directly by internal...

19880312, 1988038, 264523, 264535, 264543, 294 981, 425525, 425526, 425534, 425535, B29C 4928

Patent

active

046784250

ABSTRACT:
A pallet has a plurality of reciprocable spindles mounted thereon. Each spindle can be reciprocated and has an improved bearing support and bias means urging the spindle to one end of its reciprocation path. An improved spindle nose is provided to mount on the spindle as an exchangeable chuck thereby changing the size of the workpiece that can be handled. The spindle nose features an improved means to maintain seal with the preform finish that includes a base from which protrudes a flexible skirt which is extending from the other side of said base, said skirt being sufficiently resilient to maintain sealing engagement with the inside diameter of the preform finish during blow molding; and an air passage extending completely through said locating stud, base, and skirt region.

REFERENCES:
patent: 4185812 (1980-01-01), Hall
patent: 4382760 (1983-05-01), Wiatt et al.
patent: 4456447 (1984-06-01), Smith

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