MORTISE AND TENON JOINT PROCESS AND DEVICE FOR BOTTOM SURFACES OF ANTI-STRESS DEFORMATION SOLID WOOD FLOOR HEATING FLOORBOARDS

WIPO Patent Application WO/2020/215429

A1

Disclosed are a mortise and tenon joint process and device for the bottom surfaces of anti-stress deformation solid wood floor heating floorboards, comprising the following steps: first, performing piece inspection and classification on wood board blanks, wherein wood board blanks having a water-containing rate of 12-15% are A1 floorboard blanks, and wood board blanks having a water-containing rate of less than 12% are B1 tenon blanks; then, successively performing low-temperature heat treating and mortise formation on the A1 floorboard blanks, while simultaneously successively performing low-temperature heat treating and saw cutting and shaping on the B1 tenon blanks to obtain A2 floorboard blanks and B2 tenons; then, respectively inserting the B2 tenons into each mortise on the A2 floorboard blanks to obtain C1 floorboard blanks; and then completing post-processing on the C1 floorboard blanks to obtain finished floorboards. The present invention may effectively improve the mortise forming efficiency of the floorboards and the connection stability of the floorboards after the tenons are inserted.

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XU LI (CN)
LUO JUNQI (CN)
ZHANG ZHEN (CN)
SHENG YONGQIANG (CN)

PCT/CN2019/088305

October 29, 2020

May 24, 2019

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JIUSHENG WOOD CO LTD (CN)

B27M1/08; B27M3/04; E04F15/02

CN2631721Y	2004-08-11
CN105500488A	2016-04-20
CN2123409U	1992-12-02
CN101343926A	2009-01-14
US20010032683A1	2001-10-25

HANGZHOU XINYUAN PATENT AGENCY (CN)

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