Metal working – Method of mechanical manufacture – Assembling or joining
Reexamination Certificate
2005-06-21
2005-06-21
Bryant, David P. (Department: 3726)
Metal working
Method of mechanical manufacture
Assembling or joining
C072S379400
Reexamination Certificate
active
06907653
ABSTRACT:
An aluminum container is comprised of a base portion, a substantially vertical wall portion extending upwardly from the base portion, a transition portion extending from the wall portion, and a neck portion extending from the transition portion. The neck portion is tapered and has an upper end having a wall thickness that is preferably less than the thickness of the wall of the remainder of the neck portion. The upper end of the neck portion may also be chamfered. The aluminum container of the present invention may be combined with a threaded sleeve to form a receptacle. The sleeve has an outer surface and an inner surface. The outer surface has threads thereon and the inner surface has a taper complementary to the taper of the neck portion so as to form a friction fit with the neck portion. The sleeve may also have a notch formed in the periphery of its upper outside surface. When the upper chamfered end of the neck is curled, the neck portion extends over a top end portion of the sleeve and terminates in the notch in the sleeve. Methods of manufacturing such a container are also disclosed.
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Bryant David P.
Exal Corporation
Thorp Reed & Armstrong LLP
LandOfFree
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