Filter element and manufacture method thereof

Details Filter element and manufacture method thereof Filter element and manufacture method thereof

1993-06-16

1995-07-25

Osele, Mark A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156184, 156192, 156291, 2104934, 2104941, 2104971, B31C 100

Patent

active

054358701

ABSTRACT:
A method for manufacturing filter elements, in which sealant does not get onto the rolling claw and rolling of the roll filter paper is made easy.
A long roll filter paper having laterally oriented filter parts for filtering, the filter parts being open on the inflow side of the roll filter paper and closed on the outflow side of the roll filter paper, is rolled. During rolling, a sealant is applied to the surface of the roll filter paper in a narrow longitudinal strip, in such a way that the sealant does not make contact with the rolling claw. The roll-start end of the roll filter paper is gripped with the rolling claw during rolling. The rolling claw is made up of 2 or 4 rolling bars having the shape of the parts produced when a cylinder is split into two halves along its axis.

REFERENCES:
patent: 1166737 (1916-01-01), Baird
patent: 1562610 (1925-11-01), Baird
patent: 2502545 (1950-04-01), Wellborn
patent: 2599604 (1952-06-01), Bauer et al.
patent: 3869325 (1975-03-01), Witzig
patent: 5002666 (1991-03-01), Matsumoto et al.
patent: 5049326 (1991-09-01), Matsumoto et al.
patent: 5100496 (1992-03-01), Mitchell
patent: 5174895 (1992-12-01), Drori

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