USED DISPOSABLE DIAPER DISPOSAL APPARATUS AND DISPOSAL METHOD

WIPO Patent Application WO/2020/040140

A1

The purpose of the present invention is to provide used disposable diaper disposal apparatus and disposal method that allows hygienic and easy incineration of used disposable diapers. This used disposable diaper disposal apparatus is provided with: a freezer device which freezes a used disposable diaper in which absorbent polymer is included in between an impermeable cover sheet and a permeable nonwoven fabric; a vacuum device which depressurizes a spatial area having included therein the used disposable diaper that has been frozen, until water contained in the used disposable diaper can sublimate, to achieve a vacuum state; and a sublimation progressing device which allows progress of sublimation of the water content in the used disposable diaper having been frozen and being placed in the spatial area in a vacuum state.

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TAKAGI CHIKARA (JP)

PCT/JP2019/032454

February 27, 2020

August 20, 2019

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FUJI SHOJI CO LTD (JP)

B09B3/00

JP2010144966A	2010-07-01
JP2002325565A	2002-11-12
JP2006272203A	2006-10-12

TK AGENT: "Freeze-drying crusher for diapers [Series - we can't make it by ourselves, but if available we want to have it]", 6 February 2018 (2018-02-06), pages 1 - 6, XP009525915, Retrieved from the Internet [retrieved on 20190920]
YOSHIMURA TOSHIO : "Studies on recycling of superabsorbent polymers from waste disposable diaper", 29 June 2017 (2017-06-29), pages 1 - 4, XP055778150, Retrieved from the Internet [retrieved on 20190920]
See also references of EP 3842160A4

YAMAMOTO Yoshikazu (JP)

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