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:
Jun. 16, 1998
Filed:
Oct. 07, 1996
James B Goddard, Powell, OH (US);
Advanced Drainage Systems, Inc., Columbus, OH (US);
Abstract
A coupler for use with helical double-wall corrugated pipe is disclosed having a spigot portion and a bell portion. The spigot portion has at least one corrugation formed therein, a spigot portion first edge and a spigot portion second edge, and is adapted to screw onto the end of a first pipe having a first pipe corrugated outer wall and a first pipe inner wall. The spigot portion second edge is adapted to be secured to the first pipe outer wall, and the spigot portion first edge is adapted to be secured to the first pipe inner wall. The bell portion has at least one corrugation formed therein, a bell portion first edge, and a bell portion second edge, and is adapted to screw onto the end of a second pipe having a second pipe corrugated outer wall and a second pipe inner wall. The bell portion second edge is adapted to be secured to the second pipe outer wall, and the bell portion first edge is adapted to be secured to the second pipe inner wall.