Retainer for the die pin in an accumulator head

Details Retainer for the die pin in an accumulator head Retainer for the die pin in an accumulator head

1997-04-03

1998-08-11

Davis, Robert

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

425381, 425466, 425532, B29C 4722, B29C 4904

Patent

active

057924864

ABSTRACT:
The accumulator of an extrusion blow molding machine is constructed so that the programming cylinder and die adjustment rod have axially aligned bores to receive a die pin retaining rod. The retaining rod holds the die pin in place by means of a lower split ring that nests inside the die pin and a lock nut combined with an upper split ring associated with the programming cylinder. When the lock nut is loosened and the upper split ring is removed, the retaining rod is moved down (while the die pin is held in place) and the lower split ring is removed. The die pin is then free to slide off the retaining rod and be removed from the accumulator head.

REFERENCES:
patent: 1618026 (1927-02-01), Royle
patent: 3218672 (1965-11-01), Langecker
patent: 3372429 (1968-03-01), Kato
patent: 3453690 (1969-07-01), Mayner
patent: 3909183 (1975-09-01), Hsu
patent: 4059373 (1977-11-01), Maier
patent: 4382766 (1983-05-01), Feuerherm
patent: 4565515 (1986-01-01), Maier
patent: 4717326 (1988-01-01), Motonaga et al.
patent: 5435964 (1995-07-01), Kagitani et al.

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