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. 06, 1982
Filed:
Sep. 02, 1980
Christian Strahm, Kusnacht, CH;
Abstract
This invention relates to an improvement in an externally held cylindrical expander for tubular ware having a central support for radially adjustable expansible props and segment-shaped guide elements borne by the props, in particular for treating the tubular ware with liquid treatment substances, a longitudinally tapered body mounted to each end of the central support as entry and exit parts, and the guide elements extend in the longitudinal direction of the expander between the two bodies, the improvement comprising bearing means adapted to the shape of and surrounding at least in part at least the lower tapered body and including discharge apertures distributed on its interior periphery and issuing into a gap to said body for a fluid adapted to support the expander.