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. 27, 1989
Filed:
Jul. 21, 1987
Stephen Palinchak, Bucyrus, OH (US);
Harvard Industries, Inc., St. Louis, MO (US);
Abstract
A composite hose for use in automotive air conditioning systems employing 'Refrigerant 12' (dichlorodifluoromethane) including an innermost three-ply tube having an elastomer inner tube ply, a middle tube ply of a thermoplastic polymer bonded to the inner tube ply, and an outer tube ply of an elastomer bonded to the middle tube ply. At least one textile yarn, cord or fabric reinforcement layer surrounds the three-ply tube and a specially compounded elastomer cover overlies the textile reinforcement. Suitable adhesives maybe applied between the inner and middle tube and between the middle and outer tube to provide a consolidated, co-acting tube element. A hose fitting is attached to an end of the composite hose to form a hose assembly.