Patent information:

Patent:Utility 1,697,423
Patented:January 1, 1929
Applied:November 20, 1925
Title:Method and Device for Cutting Holes in Insulators
Description:Manufacturing method of cutting holes in Hewlett type suspension disks for links
Category:Manufacturing
Assigned to:Locke Insulator Corp.

Patentee Information:

GOUVERNEUR, Minor F. H. Baltimore, MD

Class and subclass information:

Class:264PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES
Subclass:154WITH SEVERING, REMOVING MATERIAL FROM PREFORM MECHANICALLY, OR MECHANICALLY SUBDIVIDING WORKPIECE Making hole or aperture in article;
Class:425PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS
Subclass:315PREFORM SEVERING MEANS Means forming from bulk and downstream severing means Utilizing product handler downstream of former as cutter aid;

Known specimens:

None known

Drawings:

Drawing page 1

Page 1

Drawing page 2

Page 2

Drawing page 3

Page 3