Cutting – Tool or tool with support – Cutting couple type
Reexamination Certificate
2005-05-10
2005-05-10
Dexter, Clark F. (Department: 3724)
Cutting
Tool or tool with support
Cutting couple type
C083S695000, C083S698910, C083S699310, C083S699510, C083S945000, C076S107800
Reexamination Certificate
active
06889588
ABSTRACT:
A compensating blister die cutter apparatus is disclosed which has the purpose of cutting a sheet of blisters which have been formed on a sheet of plastic material in individual blisters which are generally symmetrical in configuration. The apparatus includes at least first and second blister die cutter units supported by a base member. Each of the blister die cutter units comprises a supporting member which includes a bottom board, a backup plate positioned on the bottom board, and a top board positioned on the backup plate. A rule slot is provided in the top board and a steel rule is located in the rule slot and has a cutting edge. A cavity is formed in the central portion of the bottom board, backup plate and top board as assembled to accommodate the blister shape during the cutting operation. A threaded member connects the bottom board, backup plate and top board together to move as a unit. Vertical holes extend through the connected bottom board, backup plate and top board and have a diameter of a given dimension through which adjustment members extend which are threaded into the base member. The adjustment members have a smaller diameter than the given dimension thus permitting lateral movement of the connected bottom board, backup plate and top board relative to said base member.
REFERENCES:
patent: 2313801 (1943-03-01), Carll
patent: 2619897 (1952-12-01), St. Lawrence
patent: 2939347 (1960-06-01), Tobey
patent: 3048069 (1962-08-01), Berlin et al.
patent: 3752042 (1973-08-01), Castille
patent: 5515749 (1996-05-01), Sandford
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