Structure of releasing part

Details Structure of releasing part Structure of releasing part

1993-05-20

1997-01-07

Ryan, Patrick

Stock material or miscellaneous articles

Layer or component removable to expose adhesive

428 415, 428 418, 428343, 428352, 604390, B32B 700, A61F 1360

Patent

active

055914985

ABSTRACT:
A releasing part structure having a boundary component which is constituted by a pressure-sensitive adhesive layer and a long chain alkyl type or silicone type releasing agent layer, wherein said pressure-sensitive adhesive layer comprises a pressure-sensitive adhesive composition comprising a rubber-based or acrylic pressure-sensitive adhesive, and the releasing part structure is constituted such that when the pressure-sensitive adhesive layer is released from the releasing agent layer, the sound pressure level in releasing the pressure-sensitive adhesive layer from the releasing agent layer at a releasing speed of at least 1.times.10.sup.2 mm/minute is 80 dB or less.

REFERENCES:
patent: 3797495 (1974-03-01), Schmidt
patent: 4594277 (1986-06-01), Galli et al.
patent: 4699816 (1987-10-01), Galli
patent: 5112889 (1992-05-01), Miller et al.
patent: 5198476 (1993-03-01), Kobayashi et al.
patent: 5229179 (1993-07-01), Kumar et al.
patent: 5264281 (1993-11-01), Arakawa et al.
patent: 5306758 (1994-04-01), Pellerite
patent: 5342339 (1994-08-01), Carpenter et al.
WO92/07042 published Apr. 30, 1992 (Japanese language) and English language translation thereof.

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