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. 07, 1986
Filed:
Dec. 26, 1984
Oy All-Plast Ab, Helsinki, FI;
Abstract
A pipe coupling with a water seal between the sinks of a draining board and the drain pipe (9), comprising a collecting pipe (4) having connected thereto one or a plurality of jointing pipes (3) for sink connecting tubes (2) and a water seal forming pipe element (7) as well as a jointing pipe (6) for said drain pipe (9). In order to facilitate the manufacture of a pipe coupling with a single mould and in a single working cycle, said collecting pipe (4), said jointing pipes (3, 6) and water seal (5, 7) are designed as a single integral tubular unit, wherein the water seal comprises a straight pipe element (7), fitted with a partition (5) and extending downwards to provide a water seal compartment below the plane of said collecting pipe.