Gummer roll apparatus
OwnerH. Richard VerMehreninventor
Life of this patent
Estimating the term…
Abstract
A gummer roll apparatus preferably for applying gum to envelopes during continuous processing and operation of a gumming machine, has a pick-up roll, a meter roll and a transfer roll that transfers a gum or adhesive such as latex to a gummer roll. The pick-up roll and meter roll rotate in opposite directions and are in a skidding-like contact due to different rotational speeds whereby excess gum or adhesive is removed from the pick-up roll and returned to a gum box or trough with a minimum of foaming in the gum box and on the pick up roll.
Claims16
An apparatus for transferring an adhesive, the apparatus comprising:
- an adhesive;
- means for providing a reservoir of the adhesive;
- a plurality of transfer means in operative association for transferring a portion of the adhesive from the reservoir means to a workpiece, at least one transfer means collecting and transferring the adhesive from the reservoir means to another transfer means, the other transfer means transferring the adhesive to the workpiece, and at least one other transfer means returning excess adhesive to the reservoir means in cooperation with the one transfer means with a reduction in the amount of foaming due at least in part to the skidding contact between the one transfer means and the one other transfer means;
- and
- means for moving the other transfer means and the workpiece, the moving means moving the other transfer means and the workpiece in the same relative direction.
An apparatus for transferring an adhesive, the apparatus comprising:
- means for providing an adhesive reservoir, an adhesive contained within the adhesive reservoir;
- first roller means operatively associated with the adhesive reservoir and the adhesive contained within the adhesive reservoir, the first roller means accumulating adhesive as the first roller means progresses through the adhesive reservoir;
- second roller means in skidding contact with the first roller means, the skidding contact returning excess adhesive means to the adhesive reservoir without substantial foaming of the adhesive means in the reservoir means;
- third roller means in operative contact with the adhesive carried on the first roller means, the adhesive means transferred from the first roller means to the third roller means;
- and
- means for moving the third roller means and the workpiece, the moving means moving the third roller means and the workpiece in the same direction relative to each other.
Dependencies are inferred from the claim text.