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:
Oct. 03, 2000
Filed:
Jan. 08, 1999
James B Goddard, Powell, OH (US);
Advanced Drainage Systems, Inc, Columbus, OH (US);
Abstract
An in-line bell pipe is provided, formed by joining at least two corrugated sections of pipe having a male portion and a female portion to connect the corrugated sections. Each corrugated section has a plurality of first corrugations having a crest and a valley, with the distance between the crest and valley of the first corrugations being a first distance. The male portion of each corrugated section has at least one second corrugation and one third corrugation, with each second corrugation and each third corrugation having a respective crest and valley and with the distance between the respective crests and valleys being a second distance and a third distance respectively. The second distance and the third distance each are less than the first distance. The crest of the third corrugation also has a recessed area that accommodates a sealing element, with the sealing element being retained the recessed area and the female portion.