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:
Aug. 29, 1978
Filed:
Aug. 30, 1976
Eduard J Job, 2070 Ahrensburg b., Hamburg, DE;
Other;
Abstract
A sprinkler comprising a frame formed at one portion with a passage terminating at a seat, a closure disposed across the passage adjacent the seat, a seal having a pressure-impacted side and another side exposed to ambient pressure and being disposed between the closure and the seat, and a heat sensitive rupturable part disposed between another portion of the frame and the closure so as to hold the closure so disposed when the rupturable part is at ambient temperature and adapted to release the closure and the seal when the part is at elevated temperature, wherein the seal comprises a first sealing member disposed against the seat and a second sealing member disposed between a portion of the closure and the first sealing member, the second sealing member pressing the first sealing member against the seat and being covered by the first sealing member on the pressure-impacted side.