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:
Feb. 04, 1997
Filed:
Mar. 30, 1995
Herbert Waldmann, Bad Durrheim, DE;
Herbert Waldmann GmbH & Co., Villingen-Schwenningen, DE;
Abstract
Lamp with protective tube comprising a transparent lamp tube, a bulb installed therein, and multi-part cap members tightly sealing off the lamp tube at both ends. The lamp is characterized in that both cap members (20, 20') have inner and outer compression rings (22, 22'; 23, 23') with facing thrust cones (22c, 23c), between which a sealing ring (24, 24') of rubber elastic material is clamped, the inner and outer compression rings (22, 22'; 23, 23') and the sealing ring (24, 24') being located inside the lamp tube (10). The outer compression ring (22, 22') being part of an actuating ring (22a, 22a') located outside the lamp tube (10). The inner compression ring (23, 23') is moveable toward the outer compression ring (22, 22') by means of an adjusting ring (21, 21'), also located outside the lamp tube (10), and a tensioning mechanism (21d, 23d), actuateable by the adjusting ring.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile