Patent · US Expired

Sealing plug for apertures

US5327942A · kind A · utility

19Cited by
5References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 11, 1992
Grant dateJul 12, 1994
Priority date
Expiry dateMay 11, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S220/19
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A resilient plug for sealing drilled holes in a solid surface to prevent the discharge from the hole of fluids or chemicals. The plug is of tubular shape and has a flat top surface and a tubular side wall from which a plurality of sealing ribs project to engage the side wall of a drilled hole. The ribs prevent the passage of fluids or chemicals from the hole.

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