Woodpulp-free urine pad and the production equipment
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United States of America Patent
Stats
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Aug 24, 2021
Grant Date -
Jun 20, 2019
app pub date -
Jan 12, 2018
filing date -
Dec 20, 2017
priority date (Note) -
In Force
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Abstract
A woodpulp-free urine pad includes from top to bottom a top sheet, a perforated film layer, a core layer and a bottom layer, wherein the perforated film layer is made by perforating the surface of the waterproof material, the core layer comprises an upper adhesive layer, a lower adhesive layer and a water accepting layer which is mad of SAP polymeric particle between the upper and lower adhesive layers. The utility model has a strong ability to prevent liquid infiltration, and it removes away the wood pulp in the core layer to save a large amount of wood and to protect the environment. A production equipment for producing the woodpulp-free urine pad includes a feeding channel which is composed of a plurality of back-up rolls, follow the direction of forward motion of the feeding channel, there is sequentially provided with a material shelf of lower adhesive layers, an adding mechanism of water accepting layers, a material shelf of upper adhesive layers, a material shelf of bottom layers, a material shelf of top sheet and a cutting table, in order to facilitate the production of the woodpulp-free urine pad.

First Claim
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
WUHU LEISURELY NURSING SUPPLIES POLYTRON TECHNOLOGIES INC | 241000 NO 7 FUMIN ROAD WUHU DISTRICT CHINA (ANHUI) PILOT FREE TRADE ZONE WUHU CITY ANHUI PROVINCE WUHU CITY ANHUI PROVINCE 241000 |
International Classification(s)

- [Classification Symbol]
- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Cheng, Gang | Wuhu, CN | 231 | 2639 |
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