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. 30, 2001
Filed:
Jul. 15, 1999
Kenichi Mitsui, Ichinomiya, JP;
Naomi Nakashima, Iwakura, JP;
Norio Watanabe, Bisai, JP;
Koji Ito, Nagoya, JP;
Toyoda Gosei Co., Ltd., Nishikasugai-gun, JP;
Abstract
A hose connecting assembly of the present invention ensures a tight seal even when a hose,is bent and laid out in a narrow space and repeatedly is subject to vibrations under a low-temperature condition. The hose connecting assembly includes a connection tube,, which is pressed into the hose,. The hose,is designed to have an inner diameter change rate Dc of no greater than 23% under application of an inner pressure of about 0.49 MPa. Ring-shaped projections,, and,are formed on the outer circumferential surface of the connection tube,. The ring-shaped projections,, and,are designed to make a diameter expansion rate T, which is defined by an inner diameter d1 of the hose,and an outer diameter D2 of the ring-shaped projections,, and,, at least 25%. A hollow cylindrical end,is further formed on an end portion of the connection tube,. It is preferable that the hollow cylindrical end,has a length of at least about 3 mm.