Liquid purification or separation – Sectional chamber press type – With repair or assembling means
Reexamination Certificate
2005-08-23
2005-08-23
Thomas, Alexander S. (Department: 1772)
Liquid purification or separation
Sectional chamber press type
With repair or assembling means
C428S066600
Reexamination Certificate
active
06932906
ABSTRACT:
A method of making a filter by bonding two pieces of cloth to the flanges of a barrel-neck connector by locating a ring of bonding agent mixed with a metal powder between each flange and the adjacent surface of each cloth and using induction heating to heat the metal and thus cause the bonding agent to bond the cloth to the flanges. The bonding agent may comprise guide legs which allow its accurate location between the respective cloth and flange and/or the ring may be flexible allowing the ring to be flexed into position over the respective flange of the barrel-neck.
REFERENCES:
patent: 4765859 (1988-08-01), Heath et al.
patent: PCT/US99/00668 (1999-01-01), None
Edwards James Christopher
Lydon Richard Patrick
Madison Filter Limited
Quarles & Brady Streich & Lang LLP
Thomas Alexander S.
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