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:
Nov. 17, 1987
Filed:
Oct. 17, 1986
Byron L Goodspeed, Kelso, WA (US);
Other;
Abstract
Removable apparatus for cleaning obstructions such as oxidized or encrusted smelt from a smelt spout of a chemical recovery furnace. A metal cleaning head having a rod-like shape depends, at rest, from a housing attached exteriorly of the furnace above the smelt spout. Periodically, an actuating mechanism in the housing moves the cleaning head downward and inward into the smelt spout to dislodge any obstructions that may have accumulated therein, and subsequently retracts the cleaning head to the at-rest position. Channel scraping members attached to the cleaning head are hinged to retract upon insertion of the cleaning head into the smelt spout an extend into the smelt spout channel to urge obstructions out of the channel when the cleaning head is retracted.