Title:
FLOOR MATERIAL
Document Type and Number:
WIPO Patent Application WO/2021/019811
Kind Code:
A1
Abstract:
According to the present invention, a female tongue part 20 comprises an upper protrusion 25 in an upper side of a groove space 21, and a lower protrusion 26 that is in a lower side of the groove space 21 and protrudes further sideward than the upper protrusion 25, wherein: the groove space 21 is configured as an integral space comprising a disposition space 22 in which a protrusion 11 is accommodated and disposed, and a preliminary space 23 formed between the approximately entire lower surface of the protrusion 11 and the lower protrusion 26 when the protrusion 11 is disposed in the disposition space 22; and the lower protrusion 26 has, on the tip section thereof, an engagement protrusion 27 protruding upward. A male tongue part 10 is provided with an engagement receiving section 15 configured to be able to engage with the engagement protrusion 17.
Inventors:
HEW ZHIXIN
MATSUSAKI DAIKI
MATSUSAKI DAIKI
Application Number:
PCT/JP2020/007195
Publication Date:
February 04, 2021
Filing Date:
February 21, 2020
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
B27M1/00; E04F15/02; E04F15/04
Foreign References:
| JPH02210148A | 1990-08-21 | |||
| US20070068110A1 | 2007-03-29 | |||
| JPH1144084A | 1999-02-16 | |||
| JP2004238919A | 2004-08-26 | |||
| JPH08270193A | 1996-10-15 |
Attorney, Agent or Firm:
KYOMEI IP ATTORNEYS (JP)
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