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US 4,872,777 AGranted
Means and method of eradicating images from electrostatic media
AssigneeTeledyne Industries, Inc.
InventorGary R. Dalbke
Life of this patent
Estimating the term…
Abstract
Means and method for eradicating (i.e. removing) images affixed to copies of drawings or other documents made on electrostatic media by electrostatic copiers.
Claims8
A device for removing electrostatic images affixed to various mediums in an electrostatic copier, comprising:
- a container;
- a felt-like tip member secured to said container and communicating internally with the contents thereof;
- and,
- an image eradicator solution of acetone in water contained within said container to be dispensed therefrom through said tip member, said eradicator solution containing at least about 85% by weight of acetone.
1 more element
A device for removing electrostatic images affixed to various mediums in an electrostatic copier, comprising:
- a container;
- a felt-like tip member secured to said container and communicating internally with the contents thereof;
- and
- an image eradicator solution consisting essentially of acetone in water contained within said container to be dispensed therefrom through said tip member.
1 more element
Dependencies are inferred from the claim text.