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...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.

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Class 493/327 - Removal of previously applied coating


Subclass of Class 493 - Manufacturing container or tube from paper; or other manufacturing from a sheet or web
Definition: Method or apparatus wherein the surface modification comprises
No. of patents: 7
Last issue date: 05/16/2006


NumberTitleIssue Date
7044903Dunnage conversion machine, method and dunnage product
A dunnage conversion machine is characterized by a forming assembly which causes lateral edge portions of a substantially continuous sheet stock material to crumple and to fold upon themselves, leaving an unfolded central portion between the laterally spaced apart f...
05/16/2006
6632163Laser-etching of paperboard carton blanks
A carton blank is etched with a laser to remove at least a portion of a coating material on a glue panel area of the carton blank. The laser-etching process allows the use of cold-resin or other standard glue in manufacturing a carton from the carton blan...
10/14/2003
6095959Method and unit for feeding, in a product wrapping machine, a continuous band of wrapping material, the surface of which is pre-impregnated with an aromatizing substance
In a method and unit for feeding, in a product wrapping machine, a continuous band of wrapping material, the surface of which is pre-impregnated with an aromatizing substance, the band is unwound from a reel of wrapping material and is fed, along a given ...
08/01/2000
5527255Apparatus and method for preparing disposable towels
An apparatus and a method of preparing stacks of individual wet, dripless disposable towels ready for sealed packing. The apparatus includes a creel for rollably supporting a plurality of continuous rolls of disposable towel stock material formed of non-w...
06/18/1996
5143281Folding box package of a liquid-tight, heat sealably coated composite cardboard material, more particularly a foil mounted composite cardboard material
The invention relates to a folding box of composite cardboard material coated heat sealably at least on the inside, which has a flat bottom to which two pairs of opposite triangular folding pockets are sealed lying flat. To prevent bubble formation on the...
09/01/1992
4941865Method and apparatus for forming metallized packaging material
A continuous method of forming a repetitive pattern on a metallized film substrate is disclosed as including the steps of continuously feeding a web of metallized film substrate at a predetermined web speed, selective dry removal of predetermined metalliz...
07/17/1990
4490131Method of making bags
A method of making bags of the automatic or self-opening satchel-bottom type having an outer sheet of paper and a plastic inner liner in which a tab portion is formed with a portion of the inner liner removed so that when the bag bottom is formed a paper ...
12/25/1984
 
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