Patent · US Expired

Screw cap

US5697745A · kind A · utility

10Cited by
23References
7Claims
0Family size

Inventor

Key dates

Filing dateDec 5, 1995
Grant dateDec 16, 1997
Priority date
Expiry dateDec 5, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S411/93
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A push-on cap for covering the pointed, threaded end of a metal screw. The cap is filled with a polymer inert to the metal, and a curing catalyst, whereby the polymer and curing catalyst are separated until the cap is placed on the screw. The push-on cap is also readily removable from the screw.

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