Appeal No. 2000-0203
Application No. 08/924,099
claim 9 is hereby dismissed, leaving for review the standing
rejection of claims 1, 2, 7 and 8.
THE INVENTION
The invention relates to a cylinder head gasket which is
defined in representative claim 1 as follows:
1. A metal laminate gasket for an internal combustion
engine having at least one hole to be sealed, comprising:
a first metal plate having a base portion extending
substantially throughout an entire area of the gasket, a first
hole corresponding to the hole of the engine and situated in
the base portion, a curved portion extending from the base
portion to define the first hole, and a flange extending from
the curved portion in a direction away from the first hole to
be situated on a part of the base portion and having an outer
edge, said flange, said curved portion and a part of said base
portion around the first hole constituting a main sealing
portion without substantial elasticity,
a second metal plate laminated over the base portion of
the first plate to be located on a same side as the flange and
having a second hole and an edge portion around the second
hole, the diameter of the second hole being larger than the
diameter of the first hole so that when the first and second
plates are assembled, an annular space is formed between the
outer edge of the flange and the edge portion of the second
metal plate, and
an auxiliary sealing member formed of a non-metallic
elastic material and located in the space to directly contact
the outer edge of the flange and the edge portion of the
2
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