Filter cap affixed to a filter sleeve

Details Filter cap affixed to a filter sleeve Filter cap affixed to a filter sleeve

1995-06-01

1996-12-03

Reifsnyder, David A.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

210435, 210446, 2104971, 156 69, B01D 2706

Patent

active

055804560

ABSTRACT:
Improved apparatus and method for installing a filter sleeve in filtration apparatus is provided. In its basic form, the present invention uses a filter sleeve with a pre-installed end cap bonded to at least one of its ends. Through use of a bonding process such as sonic welding, the end cap and filter sleeve form a tight seal with one another which is durable and quite resistant to leakage. The end cap can be provided with receptacles to allow for ready interface with existing filtration apparatus, eliminating presently utilized mounting procedures which can be ineffective, burdensome, and time consuming. Additionally, improved method is also provided for securely sealing the opposite end of the filter sleeve.

REFERENCES:
patent: 3675777 (1972-07-01), Heskett et al.
patent: 3953566 (1976-04-01), Gore
patent: 4411720 (1983-10-01), Sager
patent: 4608166 (1986-08-01), Cain
patent: 5114508 (1992-05-01), Miyagi et al.
patent: 5228990 (1993-07-01), Chiang
patent: 5358638 (1994-10-01), Gershenson
Gore-Tex(TM) Membrane Liquid Filtration Technologies, May, 1991, W. L. Gore & Assoc. Inc, 4 pages.
Industrial Filter & Pump Mfg. Co., Bulletin 114G. Type 114G, Hydra-Shoc(R) Tube Filter, Date-unknown.
U.S. Filter Auto-Shok(TM), "Bump & Run" Tubular Backpolse Filter, U.S. Filter Fluid Systems Corporation, Date-unknown.
Back-Pulse Liquid Filtration Enhances Tubular Filter Role, Chemical Processing, Jan. 91, 4 pages.

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