Title:
NEGATIVE-PRESSURE SUCTION DISK
Document Type and Number:
WIPO Patent Application WO/2021/090620
Kind Code:
A1
Abstract:
Provided is a negative-pressure suction disk that is capable of performing suction, with a negative pressure, even on the surface of an object having a wavy pleated shape such as a slate roof material. This negative-pressure suction disk comprises a suction disk box body, a suction disk outer frame, and a film-like suction disk seal, wherein the inner edge section of the suction disk seal has a wavy pleated cross-sectional shape, and the outer edge section of the suction disk seal has a wavy pleated cross-sectional shape.
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Inventors:
URAKAMI FUKASHI (JP)
Application Number:
PCT/JP2020/037667
Publication Date:
May 14, 2021
Filing Date:
October 03, 2020
Export Citation:
Assignee:
URAKAMI LLC (JP)
International Classes:
E04D15/04; E04F21/18; F16B47/00
Domestic Patent References:
| WO2017175583A2 | 2017-10-12 |
Foreign References:
| JPH04176638A | 1992-06-24 | |||
| JPS61132379U | 1986-08-18 |
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