Patent information:

Patent:Utility 1,240,575
Patented:September 18, 1917
Applied:April 19, 1913
Title:Method of Preparing Ceramic Articles for Handling
Description:Method of manufacturing clay bodies for porcelain insulators
Category:Manufacturing
Assigned to: 

Patentee Information:

JEFFERY, Joseph A. Detroit, MI

Class and subclass information:

Class:264PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES
Subclass:336MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE Shaping against forming surface (e.g., casting, die shaping, etc.) Article or material ejecting, core or mold stripping or separating Ejecting or stripping before full set or cure of work;
Class:264PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES
Subclass:323MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE Shaping against forming surface (e.g., casting, die shaping, etc.) Applying heat or pressure Reshaping solid work or introducing solid work into mold cavity Sliding motion between material and mold surface (extruding finite articles);

Known specimens:

None known

Drawings:

Drawing page 1

Page 1

Drawing page 2

Page 2