Apparatus for the deposition and preshaping of a band section in

Details Apparatus for the deposition and preshaping of a band section in Apparatus for the deposition and preshaping of a band section in

1977-05-02

1979-01-16

Spicer, Jr., Robert L.

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

425292, 425304, 4253051, B29C 1700

Patent

active

041347170

ABSTRACT:
Apparatus for the deposition and preshaping of a band section in a shaping mould.
It comprises rotatable applicator members which are on the one hand positioned below the upper face of the base plate in such a way that they are located in the vicinity of and face the displacement path of at least portions of the side wall of the shaping cavity of the mould, said portions being called junction portions and have a smaller radius of curvature than that of the other portions of the side walls and are on the other hand operated in such a way that they can draw the band section against said junction portions during the upward movement of the mould or moulding units, as well as maintaining means which are able to maintain at least approximately the band section in the position imposed on it within the shaping cavity by applicator members, wherein the internal shoulder of the shaping cavity is interrupted by vertical passage slots at the location of the junction portions so that passages are left for the applicator members, wherein the base plate has lateral covering protruberances which are able to penetrate into said slots with a certain lateral clearance and which cover the major portion of the applicator means, and wherein the transfer member and its control rod are hollow and positioned concentrically to the supporting rod.
A particular application is to the thermal shaping station of a packing machine.

REFERENCES:
patent: 3605192 (1971-09-01), Edwards
patent: 3646190 (1972-02-01), Spyra
patent: 3709643 (1973-01-01), Nasica

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