Liquid purification or separation – Filter – Supported – shaped or superimposed formed mediums
Patent
1977-09-29
1980-01-22
Sever, Frank
Liquid purification or separation
Filter
Supported, shaped or superimposed formed mediums
55497, 55521, B01D 2706, B01D 2906
Patent
active
041849663
ABSTRACT:
Tubular filter elements are provided having an improved side seam seal which can be bonded to end caps in a leak-tight manner and can be formed of a thermoplastic material which is the same plastic material as the end caps and/or of the filter elements, improving the bonding of the side seam seal to the end caps and filter elements.
REFERENCES:
patent: 3116245 (1963-12-01), McNabb et al.
patent: 3127341 (1964-03-01), Abeles
patent: 3417551 (1965-12-01), Bonell
patent: 3867294 (1975-02-01), Pall et al.
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