Patent · US Expired

Method and apparatus for repairing vessels

US5149105A · kind A · utility

9Cited by

10References

19Claims

0Family size

Assignee

Ethyl Corporation · US

Inventors

Phillip R. Beaver · Baton Rouge, US
Thomas Henke · Borgholzhausen, DE
Charles R. Bergen · Baton Rouge, US
Cecil P. Loechelt · Baton Rouge, US

Key dates

Filing date	Feb 11, 1991
Grant date	Sep 22, 1992
Priority date	—
Expiry date	Feb 11, 2011

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF17C2260/048
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

This invention relates to a method and an apparatus for sealing a port of a vessel, which apparatus comprises: (a) a seal for forming a gas-tight seal with the port to close off the port, (b) a chamber; and (c) a chamber sweeping gas for sweeping the chamber.

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