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Manufacturing infusion packages

  • US 5,233,813 A
  • Filed: 02/25/1991
  • Issued: 08/10/1993
  • Est. Priority Date: 04/28/1989
  • Status: Expired due to Term
First Claim
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1. An apparatus for manufacturing infusion packages of non-rectangular shape comprising:

  • (a) dosing means for dosing infusion in discrete measures onto a first moving web;

    (b) sealing means synchronized with the dosing means for sealing a second moving web over said first moving web to produce a travelling two-ply web having a plurality of discrete pockets each containing one of the measures of infusion;

    (c) a web-cutting device comprising;

    (i) a pair of opposed cutting rollers having a plurality of recess means for receiving therein a plurality of successive said pockets; and

    (ii) cutting means provided on at least one of said rollers and associated with said recess means for cutting each said pocket into an individual package, said cutting means comprising a cutting edge which defines said non-rectangular shape for substantially an entire outer peripheral edge of each package, whereby waste web substantially surrounds said packages;

    (d) means for maintaining a degree of tension in said waste web, said waste web thereby being effective to transport said packages in a generally horizontal direction from said cutting device to a position downstream of said cutting device;

    (e) package removing means located at said downstream position for removing said cut-out packages from said web; and

    (f) package stacking means below said package removal means for receiving and stacking said packages removed from the web.

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