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:
May. 23, 1978
Filed:
Mar. 12, 1975
Arthur D Logan, Waynesville, NC (US);
Dayco Corporation, Dayton, OH (US);
Abstract
A molded hose construction and method of making same is provided wherein such hose construction has axially spaced convolutions and a controlled flexibility defined by alternating crests and troughs, and the hose construction has an elastomeric inner layer, an elastomeric outer layer, and an intermediate reinforcing layer made of a fabric material having a substantial open space between cooperating threads defining the fabric material; and the layers are bonded as a unitary structure by strike-through columns of elastomeric material extending through said substantial space with the alternating crests and troughs having a controlled wall thickness throughout which assures the controlled flexibility, and the crests and troughs having been formed with the elastomeric layers in a semi-cured condition to assure said controlled wall thickness thereof.