Molding core for the manufacture of hollow bodies consisting of

Details Molding core for the manufacture of hollow bodies consisting of Molding core for the manufacture of hollow bodies consisting of

1977-10-26

1979-12-04

Spicer, Jr., Robert L.

Plastic article or earthenware shaping or treating: apparatus

Core and positioning means therefor

249181, 249184, 249185, B29C 112

Patent

active

041770323

ABSTRACT:
A molding core, consisting of a plurality of flexible metal plates, for the manufacture of cylindrical hollow bodies or wound sections of fiber-reinforced synthetic resin. The metal plates are fixed to support members which in turn are connected to frames. To release the hollow bodies or wound sections, two diametrically opposed metal plates can be tilted inward and the frames can be moved toward one another by means of a common drive. It is possible to assemble a plurality of hollow bodies or wound sections to form vessels of large volume.

REFERENCES:
patent: 929694 (1909-08-01), Noah
patent: 933327 (1909-09-01), McMahon
patent: 952869 (1910-03-01), Besser
patent: 2344738 (1944-03-01), Seifert
patent: 2359471 (1944-10-01), Ewing
patent: 2707814 (1955-05-01), Francis et al.

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