Gas separation – Flexible or collapsible bag type – Seaming – reinforcing or bag structure
Patent
1999-03-22
2000-12-05
Smith, Duane
Gas separation
Flexible or collapsible bag type
Seaming, reinforcing or bag structure
55381, 55361, 55486, 55522, 55524, 55527, 55DIG2, 55DIG39, 428 361, B01D 4602
Patent
active
061560863
ABSTRACT:
There is provided a vacuum cleaner filer bag including at least two sidewalls which sidewalls are joined by seams. At least one first sidewall comprises a film laminate of a heat sealable film layer and a film support layer. At least one second sidewall comprises a filter laminate comprising at least a synthetic fiber filter layer and synthetic fiber support layer where the at least one first sidewall is joined to adjacent sidewalls by thermal seams. The filter layer is preferably a high efficiency microfiber filter media which provides HEPA level performance for the vacuum cleaner bag.
REFERENCES:
patent: Re30782 (1981-10-01), van Turnhout
patent: 2792076 (1957-05-01), Meyerhoefer
patent: 3973936 (1976-08-01), Howard et al.
patent: 4116648 (1978-09-01), Busch
patent: 4164400 (1979-08-01), Wald
patent: 4215682 (1980-08-01), Kubik et al.
patent: 4257791 (1981-03-01), Wald
patent: 4375718 (1983-03-01), Wadsworth et al.
patent: 4429001 (1984-01-01), Kolpin et al.
patent: 4589894 (1986-05-01), Gin et al.
patent: 4592815 (1986-06-01), Nakao
patent: 4917942 (1990-04-01), Winters
patent: 5080702 (1992-01-01), Bosses
patent: 5230800 (1993-07-01), Nelson
patent: 5244703 (1993-09-01), Bosses
patent: 5306534 (1994-04-01), Bosses
patent: 5419953 (1995-05-01), Chapman
patent: 5437910 (1995-08-01), Raabe et al.
patent: 5647881 (1997-07-01), Zhang et al.
patent: 5690711 (1997-11-01), Bosses
patent: 5785725 (1998-07-01), Cusick et al.
patent: 6045595 (2000-04-01), Freudenberg
"Superfine Thermoplastic Fibers", Van A. Wente, Industrial and Engineering Chemistry/Naval Research Laboratory, pp. 1342-1346.
"Manufacture of Superfine Organic Fibers", V.A. Wente, E.L. Boone and C.D. Fluharty, Naval Research Laboratory/NRL Report 4364,19 pages.
3M Innovative Properties Company
Bond William J.
Griswold Gary L.
Pham Minh-Chau T.
Smith Duane
LandOfFree
Dual media vacuum filter bag does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dual media vacuum filter bag, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dual media vacuum filter bag will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-957191