ROBERT E SMITH
Land Surveyors in Dover, NH
License number
Massachusetts 35794
Issued Date
Apr 10, 1991
Expiration Date
Jun 30, 2018
Type
Land Surveyor
Address
Address
Dover, NH 03820
Professional information
Device For Supporting A Preform Insert In A Mold
US Patent:
4593880, Jun 10, 1986
Filed:
Nov 23, 1984
Appl. No.:
6/674440
Inventors:
Robert F. Smith - Dover NH
Claude Bemis - York ME
Claude Bemis - York ME
Assignee:
Ex-Cell-O Corporation - Troy MI
International Classification:
B29C 3312
US Classification:
249 91
Abstract:
The invention provides a device for supporting a mold insert in space inside a mold cavity. A pilot and keeper assembly rests on the top of a mold part and extends into a mold cavity and through a small hole in the mold insert. Movement of a handle, which is part of the pilot and keeper assembly of the mold part, is transmitted through a shaft to a retaining means, which engages the opposite extremity of the hole to retain the insert in position during molding operations. After plastic is inserted into the base of the mold cavity and a sufficient curing time has transpired, the handle is rotated back to its initial position, thereby returning the retaining means to a nonretention position, and the pilot and keeper assembly is withdrawn from the mold.