Paper making and fiber liberation – Processes and products – Cigarette paper
Patent
1992-11-12
1994-11-01
Jones, W. Gary
Paper making and fiber liberation
Processes and products
Cigarette paper
118301, 118416, 118419, 118325, 427286, 427424, 427350, 427286, D21H 2500
Patent
active
053605160
ABSTRACT:
This invention relates to the treatment of substrates with fluidized material in repetitive patterns during application cycles. The treatment patterns made with this invention can be altered by changing machine operating parameters. The patterns of fluidized material are applied to substrates using intermittent charges of compressed air. The intermittent charges of compressed air pass through a venturi slot which creates a region of low pressure in the charges adjacent to a region where the fluidized material accumulates between application cycles. This region of low pressure helps to entrain the fluidized material in the charge of compressed air. After the fluidized material is entrained in the charge of compressed air, the charge deposits the fluidized material on the substrate.
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Cutright Edwin L.
Reich Richard B.
Scott G. Robert
Vogt, Jr. Howard W.
Glenn Charles E. B.
Jones W. Gary
Lamb Brenda
Osborne Kevin B.
Philip Morris Incorporated
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