发明名称 |
DUST FILTRATION BAG AND FRAME APPARATUS AND METHOD |
摘要 |
Presented is an improved dust filtration unit of the type characterized by a filter bag having a plurality of pockets conjoined to a unitary opening, the opening having a collar that extends circumferentially around the opening, and a frame for supporting individual pockets and circumferentially supporting the opening. The improvement includes the frame having circumferential sidewalls with substantially vertical portions and top edges. A flange extends outwardly from the top edges to define a parameter and the filter bag includes an elastic hem at an outer edge of the collar. The bag is inserted within the sidewalls of the frame and the elastic hem edge of the collar is stretched over the flange for supporting attachment thereto.
|
申请公布号 |
US2009049810(A1) |
申请公布日期 |
2009.02.26 |
申请号 |
US20070843892 |
申请日期 |
2007.08.23 |
申请人 |
GREEN THOMAS B;HAYNAM TRAVLE |
发明人 |
GREEN THOMAS B.;HAYNAM TRAVLE |
分类号 |
B01D46/02 |
主分类号 |
B01D46/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|