Air filter bag
First Claim
Patent Images
1. An air filter bag comprising an outer face, a proximal end and a distal end, wherein the distal end comprises a gusset, wherein the proximal end comprises an opening, the air filter bag further comprising:
- a height from about 35 cm to about 50 cm;
a nominal diameter from about 10 to about 40 cm; and
a taper angle between the outer face and the opening from about 65°
to about 83°
, wherein the air filter bag comprises a non-woven material.
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Accused Products
Abstract
An improved air filter bag comprising a height from about 35 cm to about 50 cm; a nominal diameter from about 10 to about 40 cm; and a first taper angle from about 65° to about 83° is provided.
40 Citations
19 Claims
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1. An air filter bag comprising an outer face, a proximal end and a distal end, wherein the distal end comprises a gusset, wherein the proximal end comprises an opening, the air filter bag further comprising:
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a height from about 35 cm to about 50 cm; a nominal diameter from about 10 to about 40 cm; and a taper angle between the outer face and the opening from about 65°
to about 83°
, wherein the air filter bag comprises a non-woven material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An air filter bag comprising an outer face, a proximal end and a distal end, wherein the distal end comprises a gusset, wherein the proximal end comprises an opening, the air filter bag further comprising:
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a height from about 35 cm to about 50 cm; a nominal diameter from about 10 to about 40 cm; a first taper angle between the outer face and the opening; the gusset comprising a gusset taper angle from about 42°
to about 48° and
a depth of less than about 10.2 cm wherein the air filter bag comprises a non-woven material. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. An air filter bag comprising an outer face, a proximal end and a distal end, wherein the distal end comprises a gusset, wherein the proximal end comprises an opening, the air filter bag further comprising:
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a height from about 35 cm to about 50 cm; a nominal diameter from about 10 to about 40 cm; a first taper angle between the outer face and the opening from about 78°
to about 83°
;the gusset comprising a gusset taper angle from about 42 to about 48° and
a depth of less than about 10.2 cm;wherein said air filter bag is made from a non-woven having a thickness between about 1 and about 3 mm, a density from about 20 kg/m to about 60 kg/m3, and a pore volume distribution of at least about 15% of the total volume is in pores of radii less than about 50 μ
m, at least 40% of the total volume is in pores of radii between about 50 μ
m and about 100 μ
m, and at least 10% of the total volume is in pores of radii greater than about 200 μ
m.
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Specification