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.
Patent No.:
Date of Patent:
May. 08, 2007
Filed:
May. 15, 2006
Herbert Martin, Weinstadt, DE;
Werner Schwager, Ludwigsburg, DE;
Martin Stiegler, Steinheim, DE;
Andreas Collmer, Vaibingen, DE;
Manfred Michelfelder, Steinheim, DE;
Herbert Martin, Weinstadt, DE;
Werner Schwager, Ludwigsburg, DE;
Martin Stiegler, Steinheim, DE;
Andreas Collmer, Vaibingen, DE;
Manfred Michelfelder, Steinheim, DE;
Durr Systems, Inc., Plymouth, MI (US);
Abstract
The invention concerns a pig scraper for cleaning the inside wall of a coating agent conduit. The pig scraper includes a body insertable in the conduit and at least one sealing lip that seals against the inside wall of the conduit and extends parallel to a longitudinal axis of the body. A space is defined between the sealing lip and the body to form a pocket for enhancing the sealing of the sealing lip with respect to the conduit. The length of the sealing lip substantially prevents the lip from folding over on itself in response to a change in the direction of movement of the pig scraper in the conduit.