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.:

US 7401821 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 22, 2008

Filed:

Sep. 19, 2005
Applicant:

Harvey E. Svetlik, Grand Prairie, TX (US);

Inventor:

Harvey E. Svetlik, Grand Prairie, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A bolt-ring pipe connector system for connecting stub end pipe particularly thermoplastic pipe is shown. The bolt-ring has an outer vertical rim portion, an inner vertical rim portion and an interconnecting web portion provided with spaced bolt holes. The top side of the bolt-ring has a beveled and angular top surface. The bottom side of the bolt-ring has a contoured recess that provides a variable cross sectional diameter. The new, deformable, variable geometry, hollowed, bolt-ring can be flexed by slight deformations under constant bolt-load. As a result, all anticipated initial and operating changes in high-density polyethylene stub-end dimensions, such as those caused by bolt-up and thermal strain, are managed by the bolt-ring.


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Svetlik, Harvey. (2008). Hollowed, deformable, raised face bolt-ring (U.S. Patent No. 7401821). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7401821

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