Accumulator head having a segmented barrel

Details Accumulator head having a segmented barrel Accumulator head having a segmented barrel

1996-12-09

1999-05-04

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

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

Including means to prepare parison

4253761, 4253824, B29C 4904

Patent

active

059002603

ABSTRACT:
An accumulator head is convertible to alternate capacity ranges by providing a construction that has a segmented barrel with a matching ram in the purging system. More specifically, the accumulator barrel is divided into upper and lower segments so that the accumulator chamber is bounded by the lower barrel segment. The inner diameter of the lower barrel segment matches the outer diameter of the ram, and the length of the lower barrel segment corresponds roughly to the range of movement of the ram. With this accumulator construction, it is possible to change the working volume of the internal accumulator chamber by simply changing two parts, i.e., the lower barrel segment (inner diameter) and the ram (outer diameter). In addition, the two piece accumulator barrel design facilitates a more economical construction since the lower segment (where most of the wear occurs) can be made of a wear resistant grade of steel, while the upper segment can be manufactured from a lower cost, more easily machined material.

REFERENCES:
patent: 3909183 (1975-09-01), Hsu
patent: 4208178 (1980-06-01), Przytulla
patent: 4279857 (1981-07-01), Feuerherm
patent: 4297092 (1981-10-01), Goron
patent: 4302170 (1981-11-01), Goron
patent: 4382766 (1983-05-01), Feuerherm
patent: 5030077 (1991-07-01), Orimoto et al.
patent: 5116215 (1992-05-01), Hsu

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