Pressure-sensitive display board

Details Pressure-sensitive display board Pressure-sensitive display board

1973-12-14

1976-04-20

Pianalto, Bernard D.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

427207, 427208, 428334, C09J 702

Patent

active

039521338

ABSTRACT:
A bulletin board, display panel or other posting device, having a pressure-sensitive surface on a thick resilient backing, has inproved object-retaining properties. The resilient backing may be a polyether-polyurethane or polyester-polyurethane foam having an indentation load delfection of about 45 pounds per square foot (about 22 grams per square centimeter). The preferred pressure-sensitive adhesive is a water-washable tacky elastomer with a Young's modulus of elasticity of about 5 to 50 psi (about 350 to 3500 grams per square centimeter).

REFERENCES:
patent: 2292024 (1942-08-01), Dreher
patent: 3061460 (1962-10-01), Schickedanz
patent: 3500129 (1970-03-01), Jowitt

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