Pipe sleeve

• US 3,346,230 A
• Filed: 07/15/1964
• Issued: 10/10/1967
• Est. Priority Date: 07/15/1964
• Status: Expired due to Term

• Current Assignee: Tolf, Carl O. Jr.
• Original Assignee: Tolf, Carl O. Jr.
• Inventors: Tolf, Carl O. Jr.
• Application Number:
  US04/382,719
• Time in Patent Office: 1,182 Days
• US Class Current: 249/177
• CPC Class Codes: E04G 15/061 Non-reusable forms positioning means without forming function E04G21/185; electric distribution boxes H02G3/08
• CPC Class Codes: E04G 15/063 Re-usable forms

Claims

1. A PIPE SLEEVE COMPRISING A ONE-PIECE TUBULAR MEMBER OF DEFLECTABLE PLASTIC MATERIAL HAVING A PAIR OF AXIALLY ALIGNED CYLINDRICAL SECTIONS ONE OF WHICH HAS A SLIGHTLY LARGER DIAMETER THEN THE OTHER, ATTACHING MEANS AT THE OUTERMOST END OF SAID ONE SECTION, CLOSURE MEANS AT THE OUTERMOST END OF SAID OTHER SECTION, SAID SECTIONS HAVING AN EXTERNAL SHOULDER THEREBETWEEN, MEANS DEFINING A PLURALITY OF CIRCUMFERENTIALLY SPACED PADS AT THE INTERIOR OF SAID ONE SECTION ADJACENT SAID OUTERMOST END THEREOF, SAID PADS HAVING RECESSES THEREIN, AND A PLURALITY OF CIRCUMFERENTIALLY SPACED PROJECTIONS AT THE EXTERIOR OF SAID OTHER SECTIONS ADJACENT SAID OUTERMOST END THEREOF, SAID PROJECTIONS BEING COMPLEMENTARY TO SAID RECESSES, WHEREBY A PAIR OF SAID SLEEVES CAN BE FITTED TOGETHER ENDWISE WITH THE PADS OF ONE SLEEVE FRICTIONALLY ENGAGING THE EXTERIOR SURFACE OF THE SMALLER DIAMETER SECTION OF THE OTHER