Title:
LAMP HEATING APPARATUS
Document Type and Number:
Japanese Patent JP2020076567
Kind Code:
A
Abstract:
To uniformly heat an entire surface of a tabular work piece without complicating design of a luminous body or complicating exchange work by properly disposing a plurality of linear luminous bodies in relative to the work piece.SOLUTION: Linear luminous bodies 41-43 are disposed at intervals of distances L2 and L3 in a horizontal direction therebetween at height positions of heights h1, h2 and h3 in a normal direction in relative to a top face WA of a square tabular work piece W. The height h1 is longer than the height h2 and the height h2 is longer than the height h3. Linear luminous bodies 44-46 are disposed at position in bilateral symmetry with the linear luminous bodies 41-43. Between the linear luminous body 41 and the linear luminous body 44, an interval of a distance L1 longer than the distance L2 is provided.SELECTED DRAWING: Figure 2
Inventors:
HATTORI AKIRA
Application Number:
JP2019184207A
Publication Date:
May 21, 2020
Filing Date:
October 07, 2019
Export Citation:
Assignee:
KOYO THERMO SYS KK
International Classes:
H05B3/00; F27D11/02
Domestic Patent References:
| JP2000012480A | 2000-01-14 | |||
| JPH05144757A | 1993-06-11 | |||
| JPS6081819A | 1985-05-09 | |||
| JP2004039955A | 2004-02-05 |
Attorney, Agent or Firm:
Kaede International Patent Office