Hose connecting assembly
AssigneeToyoda Gosei Co., Ltd.
InventorKenichi Mitsui
Life of this patent
Estimating the term…
Abstract
A hose connecting assembly comprises a connecting tube 1 made of a resin, flexible hoses 21, 22 and 23 each having a reinforced layer which is braided with reinforcing threads, into which the connecting tube 1 is inserted, and a resin cover 3 which covers coupling portions between the hoses and the connecting tube integrally therewith. The cover 3 is formed by molding and includes a reinforcing filler and has a post-shrinkage factor of 0.2 to 0.9%. The hoses have inner diameters which have been increased 10 to 30% by the insertion of the connecting tube 1 thereto. Stress cracks are prevented from occurring and high sealing pressure is provided.
Claims19
A hose connecting assembly comprising:
- a connecting tube;
- a flexible hose having at least one open end into which an end portion of said connecting tube is inserted, whereby an end portion of said flexible hose covers said end portion of said connecting tube;
- a cover molded over and extending over said end portion of said flexible hose, such that said end portion of said flexible hose is snugly held between said molded cover and said end portion of said connecting tube;
- wherein a post-shrinkage factor of said molded cover is 0.2% to 0.9% and said end portion of said flexible hose has an inner diameter which is elastically increased by 10% to 30% by inserting said end portion of said connecting tube into said end portion of said hose.
A hose connecting assembly comprising:
- a connecting tube;
- a flexible hose into which at least one open end portion of said connecting tube is inserted, such that an end portion of said hose covers an end portion of said connecting tube;
- and
- a cover molded over and extending snugly over said end portion of said hose, such that said end portion of said hose is fixed between said molded cover and said end portion of said connecting tube,
- wherein said molded cover has annular projections which project in a radially inward direction to at least restrain movement of said hose along an axial direction of said end portion of said connecting tube;
- and
- wherein the post-shrinkage factor of said cover is 0.2% to 0.9% and said hose has an inner diameter which is elastically increased by 10% to 30% by inserting said connecting tube into said hose.
Dependencies are inferred from the claim text.