Patent information:

Patent:Utility 2,297,646
Patented:September 29, 1942
Applied:March 9, 1940
Title:Pug Mill
Description:Pug mill design to prevent stresses and strains in the clay as it is extruded
Category:Pug Mill
Assigned to:Locke Insulator Corp.

Patentee Information:

BELLEZZA, Russell G. Baltimore, MD
SKIPPER, Edward M. Baltimore, MD

Class and subclass information:

Class:425PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS
Subclass:381STOCK PRESSURIZING MEANS OPERABLY ASSOCIATED WITH DOWNSTREAM SHAPING ORIFICE Including auxiliary shaping means (e.g., mandrel, etc.) associated with molding orifice Movable orifice or movable mounted inner mandrel within orifice;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1