Title:
SQUARE PILLAR HOLLOW BRICK
Document Type and Number:
Japanese Patent JPS58210495
Kind Code:
A
Abstract:
A prismatic brick of refractory material for the checker work in chambers of a glass melting furnace, the brick having an octagonal bottom surface, an octagonal top surface, a longitudinal axis extending between the surfaces, a through passage of tetragonal cross section between the surfaces and coaxial with the longitudinal axis, inner walls defining the through passage, outer walls between the surfaces, the walls being parallel to the longitudinal axis, the bottom and top surfaces extending along major axes, one of the surfaces having elevated portions and the other surface having corresponding depressed portions extending in the direction of the major axes, and a passage extending from the through passage to a respective one of the outer walls from at least one of the inner walls.
Inventors:
OTSUTOO KAARU
Application Number:
JP7632183A
Publication Date:
December 07, 1983
Filing Date:
May 02, 1983
Export Citation:
Assignee:
VEITSCHER MAGNESITWERKE AG
International Classes:
C03B5/04; C03B5/237; F27D1/04; F27D17/00; F28D17/02; F28D20/00; (IPC1-7): C03B5/04; C03B5/42; F27D17/00; F28D17/00
Domestic Patent References:
| JPS5356452U | 1978-05-15 | |||
| JPS55149139A | 1980-11-20 |
Attorney, Agent or Firm:
Takehiko Suzue