Both-surface adhesive tape producing apparatus
OwnerTokujiro Okuiinventor
Life of this patent
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Abstract
A rolled strip of adhesive mounted on a reel is unrolled and punched with a cutter pressed against it or by passing between a punching roll and a receiving roll, the punched part being affixed to a band-shaped film of paper or plastic. The film having had a part of the punched adhesive pasted on it is wound up on a winding reel and the punched excess adhesive is wound up on another winding reel.
Claims15
A both-surface adhesive tape producing apparatus comprising a means for unwinding a both-surface adhesive tape consisting of a bandshaped film and a band-shaped adhesive adhered on one side of said film, a means for supporting and guiding said both-surface adhesive tape pulled out of said unwinding means, a means for cutting a part of said adhesive to be of a fixed shape and size without cutting the still adhered film, feeding means for moving said both-surface tape to said cutting means, a peeling means for peeling the excess portion of said adhesive from the film while leaving the adhesive of fixed shape and size adhered to the film, means for winding up the excess portion of the adhesive and means for winding up said film with the adhered adhesive shape.
Dependencies are inferred from the claim text.