Patent · US Expired

Screw threaded insert

US5131795A · kind A · utility

21Cited by
12References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 2, 1991
Grant dateJul 21, 1992
Priority date
Expiry dateJan 2, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S411/968
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A screw threaded insert adapted to be fitted in a bore of a workpiece made of thermoplastic material. The screw threaded insert is externally tapered at an angle of about four (4) degrees and is defined externally with a thread of approximately equal pitch and depth, and of saw toothed shape. The insert is also threaded internally for receiving a bolt. A pair of cutting slots is also provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.