The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 07, 2015

Filed:

Jul. 01, 2008
Applicants:

Graham Robertson, Edinburgh Fife, GB;

Claire Galloway, Lothian, GB;

Andrew Ralph, Lothian, GB;

Inventors:

Graham Robertson, Edinburgh Fife, GB;

Claire Galloway, Lothian, GB;

Andrew Ralph, Lothian, GB;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B07B 1/46 (2006.01); B29C 73/06 (2006.01); B29C 45/16 (2006.01);
U.S. Cl.
CPC ...
B29C 73/06 (2013.01); B07B 1/4627 (2013.01); B29C 45/1676 (2013.01);
Abstract

There is provided a plug for repairing a sifting or filtering screen, the plug comprising a body () of a first material supporting an area of a second material which is more resilient than the first material, in use the area of a second material serving as a seal () to engage and seal against the screen in order to plug a cell aligned with a damaged area of the screen. A second plug has a body () formed with holes () to receive securing members such as screws, the holes being positioned to enable the securing members () to pass into the material of the sifting or filtering screen in order releasably to secure the plug in a cell aligned with a damaged area of the sifting screen.


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