Adjustable two piece plunger

Details Adjustable two piece plunger Adjustable two piece plunger

1976-01-21

1978-03-21

Husar, Francis S.

Plastic article or earthenware shaping or treating: apparatus

With means adjusting synchronization or compensating for wear

425443, 425444, B28B 1304

Patent

active

040801322

ABSTRACT:
A block molding machine for manufacturing concrete blocks, the machine including a stripper head, which includes a head plate upon the underside of which there are adjustably supported several plungers, for forming the central openings through a conventional concrete block, each plunger consisting of two bars, that can be adjustably spread apart, as wished, in order to compensate for wear on the outer sides thereof.

REFERENCES:
patent: 955063 (1910-04-01), Fisher
patent: 2594760 (1952-04-01), Flam
patent: 2757430 (1956-08-01), Sipe
patent: 2887755 (1959-05-01), Zevely
patent: 2932876 (1960-04-01), Zevely
patent: 2985935 (1961-05-01), Wellnitz

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