Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate
1999-04-29
2001-08-07
Sells, James (Department: 1734)
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
C156S238000, C156S495000, C156S522000, C156S555000, C100S176000
Reexamination Certificate
active
06270612
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to an apparatus for laminating items and which apparatus will also tranfer adhesives to substrates for purposed of producing articles such as labels and stickers. The present invention is a continuation-in-part of application Ser. No. 08/247,003, filed May 20, 1994, entitled “Laminating and Ashesive Transfer Apparatus”.
BACKGROUND OF THE INVENTION
It is common practice to protect documents and other items such as cards by encasing them in clear plastic coverings. Various products known as protectors are available for this purpose. Another common way of protecting documents and similar items is to laminate them. Lamination involvess sealing the document or item between oppositely applied transparent films and lamination is commonly applied to such items as driver's licenses, identification cards, membership cards and the like.
Another operation that is often applied to documents and papers is that of adhesive transfer. Adhesive transfer is an operation that is used to make articles such as labels and stickers. One manner of producing such labels is to print the labels on blanks provided for this purpose. The blanks generally have an adhesive backing and are secured to a liner from which they may be peeled at the time of use. Computer systems are available that have the capability of printing labels on liner label stock provided for this purpose. This manner of making labels or stickers is expensive and further is limiting in that the printed material must be adapted to the physical size or confines of the label or sticker carried on the liner This limits the information and creativity that may be incorporated in label making.
Based on the foregoing, there exists a need for a simple multi-purpose apparatus which can both serve to apply laminates to documents and papers and which will also serve to apply adhesive, including dry adhesives, to materials of various sizes so a wide variety of labels and stickers may be produced. The apparatus of the present invention can apply clear plastic laminates to maser substrates of various sizes and can also transfer adhesive to substrates of various sizes not being limited by length. Adhesive transfer can be applied to either surface of the item as required. The apparatus can also apply dry adhesives from double sided release coated liners to a substrate.
SUMMARY OF THE INVENTION
To meet this need, the present invention provides an apparatus for processing a master. The apparatus comprises a frame and a removable cartridge removably mounted to the frame. The removable cartridge comprises a cartridge body structure and first and second feed rolls carrying respective supplies of first and second stock material. The feed rolls are mounted to the cartridge body structure to enable the stock materials to be unwound from their respective feed rolls. At least one of the stock materials has a layer of adhesive disposed thereon. A master processing assembly is positioned such that the master can be fed into the processing assembly with the first and second stock materials being unwound from their respective feed rolls and disposed on opposing sides of the master. The master processing assembly is constructed and arranged to perform a master processing operation wherein the processing assembly causes adhesive bonding between the first and second stock materials and the master being fed therein and then subsequently discharges the processed master and stock materials. The cartridge body structure is configured such that the user can remove the removable cartridge from the frame to enable replacement of the removable cartridge when desired. The present invention contemplates numerous variations on this broad concept. For example, the apparatus can be designed for lamination, adhesive transfer, or a combination of both.
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Pillsbury & Winthrop LLP
Sells James
Xyron Inc.
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