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US6095961A
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Radial aligner and folding mechanism
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US6068253A
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Adjustable sheet separating device
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US6155554A
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Multiple action shovel feed mechanism for stacked sheets
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US5778781A
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Method and apparatus for printing on opposite sides of a web
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US5642878A
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Method and apparatus for separating sheets fed from the bottom of a stack
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EP0676262A1
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Rotary panel cutter
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US5807228A
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Sheet folding method and apparatus
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US5524876A
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Method and apparatus for delivering and stacking envelopes in an envelope machine
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US5241884A
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Apparatus for changing the length of envelope blanks cut from a continuous web
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US5100371A
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Envelope blank forming machine
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US5094658A
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Vacuum side-folder section for envelope blank folding apparatus
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US5019030A
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Envelope blank forming machine
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US5088407A
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Rotary printer for an envelope machine
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US4642085A
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Apparatus for making window patches
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EP0095890A1
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Apparatus for making window patches
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US4173922A
|
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Method for making side seam envelopes from a web
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US4136591A
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Apparatus for changing the length of envelope blanks cut from a continuous web
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US4138933A
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Apparatus for gumming and folding open end envelopes
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DE2605990A1
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Wrapping or envelope production - has process for sectioning folded strip before fold flaps are stuck together
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DE2605989A1
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Continuous production system for wrappers or letter casings - has continuous strip formed into folded edged wrapper before being cut to length
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