Title:
FLOORING
Document Type and Number:
Japanese Patent JP2020020252
Kind Code:
A
Abstract:
To provide a flooring usable for a general house, having an impact absorption performance or a high sound insulation performance, having a high thermal insulation and having a better construction fabrication yield than a conventional flooring on construction and is also adapted for a renewal.SOLUTION: In an upper layer a first cork layer of a cork board having a predetermined thickness is arranged so as to interpose an intermediate layer consisting of a plywood, etc. and in a lower layer a second cork layer of a cork board having a predetermined thickness is arranged as well, on a front surface side of the intermediate layer a first groove of a predetermined width is sculptured in a comb teeth shape orthogonal to a length direction of a flooring or in parallel in a predetermined interval and on a rear surface of the intermediate layer a second groove of a predetermined width is sculptured in a comb teeth shape in parallel or orthogonal to a length direction of a flooring in a predetermined interval as well and is configured that an orthogonal intersection part of the first groove and the second groove are in communication.SELECTED DRAWING: Figure 1
Inventors:
LIU ZHEN-YU
Application Number:
JP2019038190A
Publication Date:
February 06, 2020
Filing Date:
March 04, 2019
Export Citation:
Assignee:
PSP SHOJI CO LTD
International Classes:
E04F15/04; B27D5/00; B27M1/00; B27M3/00; E04F15/18; E04F15/20
Domestic Patent References:
| JPH08300316A | 1996-11-19 | |||
| JPS6063628U | 1985-05-04 | |||
| JPH0240849U | 1990-03-20 | |||
| JPH045933U | 1992-01-20 | |||
| JP2001065166A | 2001-03-13 | |||
| JPH07279364A | 1995-10-27 |
Attorney, Agent or Firm:
Nobuaki Endo