Liquid purification or separation – Filter – Within flow line or flow line connected close casing
Reexamination Certificate
2011-08-30
2011-08-30
Drodge, Joseph W (Department: 1778)
Liquid purification or separation
Filter
Within flow line or flow line connected close casing
C055S490000, C055S492000, C210S445000, C210S451000, C210S483000
Reexamination Certificate
active
08006848
ABSTRACT:
A filter includes a first case member and a second case member that are made of synthetic resin and are mutually joined to form a filter chamber, and a filter element including a filtering medium and a holding frame that is made of synthetic resin, which holds a peripheral portion of the filtering medium and is held between joining ends of the case members. Weld portions formed by laser light are provided at a contact area extending in a joining direction between the holding frame of the filter element and at least one joining end of the joining ends of the case members.
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Derwent abstract for JP2001-105500 (Apr. 2001), from East, downloaded on Jan. 16, 2011.
Drodge Joseph W
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Toyota Boshoku Kabushiki Kaisha
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