Patent information:

Patent:Utility 1,816,023
Patented:July 28, 1931
Applied:March 17, 1927
Title:Method of Manufacturing Insulators
Description:Method of assembling multipart insulators with wet cement and maintaining an ambient humidity and simulataneously cooling down.
Category:Manufacturing
Assigned to:Electric Service Supplies Co.

Patentee Information:

OSBORNE, David Henry Jeffersonville, PA

Class and subclass information:

Class:264PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES
Subclass:262MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE To produce composite, plural part or multilayered article Shaping material and uniting to a preform Uniting spaced preforms, by introducing fluent material therebetween Concentric preforms;
Class:264PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES
Subclass:264MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE To produce composite, plural part or multilayered article Shaping material and uniting to a preform Preventing adherence of shaped material to preform;
Class:264PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES
Subclass:DIG.43 

Known specimens:

None known

Drawings:

Drawing page 1

Page 1

Drawing page 2

Page 2