Patent ID: 6145563
Filing Date: 2000-11-14
Classification: B43M,Y10T

Abstract:
A vertical pressure sealing assembly comprising:a first pressure sealing module having two pairs of first upper and lower forward sealing wheels and two pairs of first upper and lower rear sealing wheels, wherein the pairs of first upper and lower forward sealing wheels are in substantial horizontal alignment and the pairs of first upper and lower rear sealing wheels are in substantial horizontal alignment, said sealing wheels each being tangent to a common vertical plane at a nip point between each of said pairs of sealing wheels, and said wheels biased together by a force sufficient to apply an adhesive activating pressure between said wheels;a chute vertically below said first pressure sealing module, said chute having a chute slot defined by a pair of adjacent chute walls, said chute slot being in said common vertical plane, anda second pressure sealing module having two pairs of second upper and lower forward sealing wheels and two pairs of second rear sealing wheels, wherein the pairs of second upper and lower forward sealing wheels are in substantial vertical alignment and the pairs of second upper and lower forward sealing wheels are in substantial vertical alignment, and said sealing wheels each being tangent to said common vertical plane at a nip point between each of said pairs of sealing wheels.