Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With printing
Reexamination Certificate
1999-10-29
2002-03-05
Sells, James (Department: 1734)
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With printing
C156S498000, C156S555000, C156S582000, C156S583100
Reexamination Certificate
active
06352095
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a card straightener which receives a card that has been processed through a heating process such as lamination, or printing and cools the card while it is supported so the card is planar when processed.
When plastic cards, such as ID cards, are laminated, the heat of lamination softens the cards and unless the cards are anealed in some manner they will curl or warp. The problem persists and is difficult to solve because of the requirement for compact printers and laminators.
One prior art device is illustrated in U.S. Pat. No. 5,673,076, and it uses a heated roller to relieve stresses in a card to straighten it.
SUMMARY OF THE INVENTION
The present invention relates to an improved card straightener that utilizes a flat plate that supports a softened card and cools it so it remains planar. The card may be spring-loaded against the plate, with a second plate. One or both plates can have heat sinks to increase the rate of cooling. The heat sinks have a series of metal fins, preferably, and at least one can be cooled with a fan which blows air over the fins for dissipating heat in a sufficient amount so that the plates will straighten curls or bends in the card. The cards will cool and become rigid and will remain planar.
REFERENCES:
patent: 2469972 (1949-05-01), Lowry et al.
patent: 2707018 (1955-04-01), Bolton
patent: 2903040 (1959-09-01), Schonzeit
patent: 3067469 (1962-12-01), Yarrison
patent: 3367261 (1968-02-01), Kashiwagi
patent: 3770550 (1973-11-01), Levitan
patent: 3901758 (1975-08-01), Humphries
patent: 4997507 (1991-03-01), Meyer
patent: 5673076 (1997-09-01), Nardone et al.
Fulmer Gary B.
Haas Darren W.
Fargo Electronics Inc.
Sells James
Westman Champlin & Kelly P.A.
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