Core mold for bent pipes

Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Including product handling means

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Details

249179, 249180, 425470, B29H 518, B28B 706

Patent

active

043848397

ABSTRACT:
A core mold for bent pipes including a main body formed of a plurality of hollow cylindrical members connected to each other, the angle between adjacent hollow cylindrical members being fixable at any desired value. The main body may be mounted to a shaft through support members each of which consists of a main body fixed to the main body of the core mold and a shaft support member secured rotatably to the main body of the support member, the shaft support member being slidable along the shaft.

REFERENCES:
patent: 223820 (1980-01-01), Shehan
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patent: 2234784 (1941-03-01), Stolz
patent: 2360899 (1944-10-01), Scharenberg
patent: 2460845 (1949-02-01), Rempel
patent: 2882951 (1959-04-01), Fuchs et al.
patent: 3239186 (1966-03-01), Esquillan
patent: 4263249 (1981-04-01), Mayumi et al.
patent: 4298330 (1981-11-01), Davis

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