Cylindrical filters and their manufacture

Details Cylindrical filters and their manufacture Cylindrical filters and their manufacture

1991-01-17

1993-02-09

Robinson, Ellis P.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 59, 2104931, 2104932, 2104935, 21049701, 210489, 2103232, B01D 2907

Patent

active

051851903

ABSTRACT:
A cylindrical filter is formed from a sheet of filter material which includes two connected layers of filter media. Opposed edges of the sheet are joined to form the cylinder by separating the media adjacent the edges and then sealing together the first of the separated layers followed by sealing the second of the separated layers. The two seals are spaced inwardly of the edges and are spaced from one another. In this way, failure of one seal does not result in failure of the cylindrical filter.

REFERENCES:
patent: 3865919 (1980-01-01), Pall et al.
patent: 4089783 (1978-05-01), Holyoak
patent: 4172797 (1979-10-01), Rublchavd et al.
patent: 4184966 (1975-02-01), Pall et al.
patent: 4312648 (1982-01-01), Day
patent: 4578191 (1986-03-01), Jaffrin et al.
patent: 4609465 (1986-09-01), Miller
patent: 4747946 (1988-05-01), Ikeyama et al.
patent: 4963258 (1990-10-01), Yagishita
patent: 5015377 (1991-05-01), Silvera

Affiliated with

Also associated with

Rating

Cylindrical filters and their manufacture does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cylindrical filters and their manufacture, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cylindrical filters and their manufacture will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-324637