Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Adhesive outermost layer
Patent
1996-01-16
1999-07-13
Hess, Bruce H.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Adhesive outermost layer
428346, 428355R, 428355RA, 355 72, 355 74, B32B 712
Patent
active
059224584
ABSTRACT:
A reusable display holder, easel, copyboard or work board utilizes a tacky pressure sensitive adhesive for temporarily holding display materials, photographic prints and like products securely in position; or for capturing and retaining residue and debris falling from work pieces; or for other similar applications. When used with photographic exposure apparatus, for example, the board comprises an easel which allows exposure of multiple sizes of photographic prints or enlargements without changing the easel in any way and without using devices to position or secure the prints. The board or easel includes one or more trays of various dimensions depending on the particular application. A tacky pressure sensitive adhesive composition is poured into each tray to hold various products. The composition has readhesion properties which enable products to be removed, without damage, and then readhered to the composition. The preferred composition is a mixture of food thickening gel, a pharmaceutical grade glycol, and sufficient hot water to form a fluent mixture of thick but flowable consistency which upon cooling will set into a solid tacky gel. The process for preparing the tacky pressure sensitive adhesive composition requires a preselected ratio between the mixture components. After pouring the mixture into the trays, the mixture is allowed to cool and set to a solid so that products will adhere to the exposed surface of composition.
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Bahta Abraham
Hess Bruce H.
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