BAG FOR VACUUM CLEANER Russian patent published in 2018 - IPC A47L9/14 

Abstract RU 2661469 C1

FIELD: personal and household goods.

SUBSTANCE: bag for a vacuum cleaner is proposed which comprises walls made of an air permeable material, longitudinal and transverse seams formed by the melting of an air permeable material, an inlet opening formed on one of the walls. Air permeable material comprises at least two layers, one of which is made of a low-density hydrophobic synthetic nonwoven spunlace meltblown spunbond (SMS) web, and the second is made of a high-density hydrophobic synthetic nonwoven spunlace spunbond (SS) web, the longitudinal and transverse seams are made round and 0.6–0.7 mm thick.

EFFECT: technical result of using the proposed invention is to increase the strength of welds.

5 cl, 2 dwg

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RU 2 661 469 C1

Authors

Zaretskij Vladimir Evgenevich

Dates

2018-07-16Published

2017-06-26Filed