ELECTRICAL APPLIANCE WITH HOUSING OF PLASTIC FOAM MATERIAL

• US 3,870,843 A
• Filed: 12/22/1972
• Issued: 03/11/1975
• Est. Priority Date: 02/17/1972
• Status: Expired due to Term

• Current Assignee: Waldemar Witte
• Original Assignee: Waldemar Witte
• Inventors: Witte, Waldemar
• Primary Examiner(s): Schaffer, Robert K.
• Assistant Examiner(s): Smith, William J.
• Application Number:
  US05/317,721
• Time in Patent Office: 809 Days
• Field of Search: 200/61.85,157,161,166SD,60,72A,153W,302 240/1.6R,10.66 174/52P,11F
• US Class Current: 200/302.2
• CPC Class Codes: F21L 4/085 Pocket lamps
• CPC Class Codes: F21V 15/01 Housings, e.g. material or assembling of housing parts F21V15/02 takes precedence housings forming signs or letters G09F13/04
• CPC Class Codes: F21V 23/0414 specially adapted to be used with portable lighting devices
• CPC Class Codes: F21V 31/04 Provision of filling media

Abstract

Electrical appliance, such as a flashlight, wherein the battery and light bulb socket are embedded in a plastic housing which is molded around them. Provision is made for the subsequent installation of an on-off switch. The invention also relates to the method of making the appliance.

Claims

1. A small cordless electrical appliance having a main body, comprising in combination, a plurality of stationary electrical components;

said plurality of stationary electrical components being firmly embedded in solidified plastic foam material;

said solidified plastic foam material forming a passage;

a single slidably movable switching element mounted in said passage;

said plastic foam material forming the final outer surface of said main body.

2. The small cordless electrical appliance as set forth in claim 1, wherein said plastic foam material is polyurethane.

3. The small cordless electrical appliance as set forth in claim 2, wherein said polyurethane is integral-skin urethane foam.