Patent · US Active

Retaining plate for a vacuum cleaner filter bag

US9232879B2 · kind B2 · utility

8Cited by

10References

20Claims

0Family size

Assignee

EUROFILTERS HOLDING N.V. · BE

Inventors

Jan Schultink · Eksel, BE
Ralf Sauer · Overpelt, BE

Key dates

Filing date	Sep 23, 2010
Grant date	Jan 12, 2016
Priority date	—
Expiry date	Aug 13, 2031

Classification

Technology area (CPC A)Human Necessities
CPC primaryA47L9/1445
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

The invention relates to a retaining plate for a vacuum-cleaner filter bag comprising a through-passage opening and a closure flap for closing the through-passage opening, wherein the closure flap comprises a first region comprising a first material of a first hardness and a second region comprising a second material of a second hardness, wherein the second hardness is at a lower level than the first hardness, wherein the second region is arranged, at least in part, on the periphery of the closure flap, and wherein the second material, at least in part, has a thickness of less than 1 mm.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.