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. 28, 1977
Filed:
Aug. 21, 1975
Wolfram Schonfeld, Meerbusch-Osterrath, DT;
Armin Philipps, Dusseldorf, DT;
Fritz Runkel, Dusseldorf, DT;
Mannesmannrohren-Werke AG., Mannesmann-Hochhaus, DT;
Abstract
The plug is assembled from three parts held against the mandrel by a tie rod which is screwed into the front and guiding part. A spacer is keyed to the latter part as well as to the tie rod, whereby tie rod keying is provided though flat surface portions interrupting the cylindrical surface portions of the spacer bore and the tie rod, while the guiding part and spacer are mutually keyed through axially aligned square portions and a clip thereon.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile