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. 15, 1993
Filed:
Jan. 06, 1992
Takeshi Abe, Saitama, JP;
Mitsuo Kaishio, Ibaraki, JP;
Sanoh Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
Prevention of incomplete connection of pipes, and easy and visual checking for incomplete connection between the male and female members from the outside, and the prevention of dirt and dust from entering the connection are aimed. To attain these objects, provided is a construction for preventing incomplete connection of pipes which connects the male member having a flange-like projection at its external periphery to the female member having a retainer disposed at its internal periphery for locking the flange-like projection on the male member by inserting the male member a specified distance into the female member, the construction comprising a cylindrical member mounted on the male member for covering the external periphery at the opening side of female member and locking means disposed on the cylindrical member and the female member to lock the members, whereby the cylindrical member is locked to the female member by the locking means so that the cylindrical member covers the external periphery on the opening side of the female member when the male member is inserted the specified distance into the female member.