Patent · US Expired

Apparatus for cleaning the bottom surface of a coke oven door plug

US3990948A · kind A · utility

46Cited by
3References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 11, 1975
Grant dateNov 9, 1976
Priority date
Expiry dateFeb 11, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10B43/04
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A cleaner head is pivotally mounted to a shaft carried by an actuating arm that is so powered that, as the actuating arm pivots about an axis, the cleaner head, which is resiliently biased, engages and cleans the bottom surface of a coke oven door plug or lining.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.