One pass system for forming stuffed envelopes
First Claim
Patent Images
1. An apparatus for forming and sealing envelopes, each stuffed with at least one insert, comprising:
- envelope input means for receiving and feeding envelope blanks with opposite first and second longitudinal ends;
envelope forming means, downstream of said envelope input means, for partially forming the envelope blanks with the first longitudinal ends sealed and the second longitudinal ends open;
insert input means, upstream of said envelope forming means, for receiving and feeding insert blanks along longitudinal axis thereof;
insert forming means, between said insert input means and said envelope forming means, for forming the insert blanks into inserts; and
stuffing means, adjacent said envelope forming means, for moving the inserts along longitudinal axes thereof and into the open second longitudinal ends of the envelope blanks, while the envelope blanks are partially formed in said envelope forming means, parallel to longitudinal axes of the envelope blanks.
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Abstract
A system for forming and sealing envelopes stuffs each envelope with an insert. Envelope blanks are received and fed to an envelope former. The envelope former partially forms the envelope blanks with a sealed longitudinal end and an open longitudinal end. Insert blanks are fed and are formed into inserts. The inserts are moved along longitudinal axes and into the open longitudinal ends of the partially formed envelope blanks parallel to the envelope longitudinal axes.
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Citations
33 Claims
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1. An apparatus for forming and sealing envelopes, each stuffed with at least one insert, comprising:
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envelope input means for receiving and feeding envelope blanks with opposite first and second longitudinal ends; envelope forming means, downstream of said envelope input means, for partially forming the envelope blanks with the first longitudinal ends sealed and the second longitudinal ends open; insert input means, upstream of said envelope forming means, for receiving and feeding insert blanks along longitudinal axis thereof; insert forming means, between said insert input means and said envelope forming means, for forming the insert blanks into inserts; and stuffing means, adjacent said envelope forming means, for moving the inserts along longitudinal axes thereof and into the open second longitudinal ends of the envelope blanks, while the envelope blanks are partially formed in said envelope forming means, parallel to longitudinal axes of the envelope blanks. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method for forming and sealing envelopes, each stuffed with at least one insert, comprising:
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receiving and feeding envelope blanks with opposite first and second longitudinal ends; partially forming the envelope blanks with the first longitudinal ends sealed and the second longitudinal ends open; receiving and feeding insert blanks along longitudinal axis thereof; forming the insert blanks into inserts; and moving the inserts along longitudinal axes thereof and into the open second longitudinal ends of the partially formed envelope blanks parallel to longitudinal axes of the envelope blanks. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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Specification