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:
Jul. 24, 1979
Filed:
May. 27, 1977
Ernst T Sack, Ratingen-Hosel, DE;
Friedrich Nordmeyer, Dusseldorf, DE;
Emil F Kersting, Ratingen, DE;
Sack GmbH, Dusseldorf-Rath, DE;
Abstract
Apparatus is provided for measuring the roll gap in roll stands with automatic gap control. The apparatus comprises two relatively movable components which may interfit telescopically. The two components have respective measuring surfaces at one of which is located a pulsed ultrasonic signal transmitter. A sound receiver is located either on the same measuring surface or on the other measuring surface. Measuring means are provided for measuring the time taken for the sound pulses to travel between the measuring surfaces.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile