Apparatus for blow molding and conditioning synthetic resin cont

Details Apparatus for blow molding and conditioning synthetic resin cont Apparatus for blow molding and conditioning synthetic resin cont

1981-10-30

1983-07-12

Silbaugh, Jan H.

Plastic article or earthenware shaping or treating: apparatus

With means lubricating cooperating apparatus parts

425531, 425532, 425534, 425541, B29C 1707

Patent

active

043928021

ABSTRACT:
An improved apparatus for blow molding and conditioning synthetic resin containers, comprising 2 end walls, to which the permanent molds that jointly constitute one (1) forming mold are locked in a removable fashion, these being movable synchronously between 2 stations, namely an extrusion and a blowing station, powered concurrently in opposite directions by the operating devices with which the apparatus is equipped. Into the forming mold, at the extrusion station, is extruded a tubular element of synthetic resin having notable plastic deformation characteristics which, as a result of compressed air being blown therein, is formed into a corresponding synthetic resin container. To each end wall is locked a bush that is coupled to a tubular shaft in a way whereby longitudinal translation but not rotation be possible, and the latter is united, in a position equidistant from the bushes, to a coupling sleeve that is fixed to a saddle, underneath the shaft, and slides on guides having a downward inclination from the extrusion to the blowing station. The tubular shaft contains part of the devices for operating the end walls or is an integral part thereof.

REFERENCES:
patent: 3964852 (1976-06-01), Marfiewicz
patent: 3972669 (1976-08-01), Mehnert
patent: 4248582 (1981-02-01), Martin, Jr.
patent: 4260358 (1981-04-01), Mehnert
patent: 4304543 (1981-12-01), Rolniczak et al.

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