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US 2004/0110621 A1Published application
Printing machine with flexible folding guide
OwnerLeonard T. Katilas, Michael Cuffinventors
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Abstract
A printing machine with a folding section is disclosed in which the folding section includes a folding guide over which sheets of material are folded, and in which the end of the folding guide includes a flexible tip portion to prevent undue folding of a portion of the sheet relative to other portions of the sheet.
Claims10
A printing machine having a printing section and a folding section for printing on and folding blanks, the blanks including panels and leading flap portions connected to said panels, comprising:
- (a) a printing section;
- (b) a folding section;
- (c) said folding section including horizontally extending curved folding rods and horizontally extending folding guides;
- and
- (d) said folding guides including resilient end portions for engaging the leading flap portions of the panels so as to prevent said leading flap portions from being folded too excessively or too prematurely relative to the folding of their respective panels.
2 more elements
Apparatus for folding blanks composed of corrugated cardboard and having panel portions and connected flap potions, comprising:
- (a) conveyor means for conveying said corrugated blanks in a first direction;
- (b) curved means for engaging the upper surfaces of some of said panel and flap portions of the blanks for folding said portions downwardly as said blanks move in said first direction;
- (c) guide means for engaging and holding some of said panels downwardly;
- and
- (d) said guide means including flexible tip portions for engaging the lower surfaces of said flap portions for preventing excessive downward movement of said flap portions by said curved means.
2 more elements
Dependencies are inferred from the claim text.