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...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.

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Class 241/274 - Stationary comminuting surface or material bed


Subclass of Class 241 - Solid material comminution or disintegration
Definition: Apparatus in which a single comminuting surface is stationary
No. of patents: 14
Last issue date: 05/12/2009


NumberTitleIssue Date
7530512Rotor for a crusher
A rotor for a vertical shaft impact crusher includes a vertical wall segment having a first wall portion which is tangential to the rotor and is located adjacent to the periphery of the rotor, and a second wall portion, which is angled in relation to the first wall ...
05/12/2009
7252255Food preparation implement
An implement for supporting foodstuff and allowing food preparation operations to be performed thereon. The implement includes a body having a substantially planar working surface. The working surface includes a main area and at least one substantially coplanar auxi...
08/07/2007
7070133Silo bin drill system and method of cleaning clogged bulk grain material
A silo bin drilling system used for unclogging bulk material in a silo bin. The drilling system includes a hydraulic drill with drill motor. The drill is mounted above an access hole in a top portion of the bin. An access door in a bottom of the bin is used for form...
07/04/2006
6502772Static chopper for thin webs
The invention relates to the chopping of thin webs, and notably to the chopping of edges trims of thin webs. It proposes a chopping device for thin webs, comprising an input section (10) for receiving the web to be chopped; an accelerating section (18) fo...
01/07/2003
5975447Caked grain breaker
A caked grain breaker for separating caked grain particles in a storage bin. The device includes a top grate for positioning above the opening in the bin floor. The top grate has a plurality of apertures therethrough for permitting passage of grain throug...
11/02/1999
5263654Pallet shredding apparatus
A pallet shredding apparatus comprising an inclined chute having an open upper end to receive pallets to be shredded and having an open lower end. The chute is moved in a reciprocating path of travel by a hydraulic cylinder unit. A stop is connected to th...
11/23/1993
5054699Ribbon curling and shredding device
The ribbon curling and shredding device of this invention utilizes an upper base member vertically slidably mounted on a lower base member by means of two pairs of posts which extend upwardly from one end of the lower base member and the central portion o...
10/08/1991
4390135Bag removal apparatus
A bag removal apparatus provided with a plurality of cutting assemblies, each cutting assembly consisting of cutting auxiliary rolls and a cutter for facilitating posttreatment of a paper bag by releasing the paper bag from a paper bag envelope encasing a...
06/28/1983
4360167Apparatus for the reduction of big cylindrical bales of hay, straw and the like and for the distribution thereof
An apparatus for the unrolling or reduction of cylindrical bales of hay, straw or like material and for the measured distribution of such materials directly to the place of use, comprising, a trolley or trailer capable of being attached to the rear of a t...
11/23/1982
4186543Food processor
A versatile food preparing machine which includes various attachments for selectively processing many different kinds of foods. The machine is characterized by incorporating a bottomless hopper and a food support pad for restingly supporting the food at v...
02/05/1980
4107943Freezing apparatus and method
A freezing apparatus has at least one evaporator assembly with two freezing faces in the form of large planiform surfaces. The evaporator assembly has at least one chamber portion defined by the freezing faces and an outer annulus that is connected to a s...
08/22/1978
4084755Method and apparatus for breaking up and separating waste glass to obtain cullet
Waste glass containing three-dimensional extraneous matter to be removed is dropped onto a grizzly and is thereby broken up by gravity and separated into an undersize portion containing planar fragments of waste glass and of extraneous matter and an overs...
04/18/1978
4065061Ball mill
A novel ball mill providing a maximum efficiency for the balls dropping onto the material to be crushed, this being obtained by associating a vertical tube into which said material is poured together with the ball with means for raising the balls and crus...
12/27/1977
4049201Mechanical separation of substances
Apparatus and method for dry, mechanical separation of heavy and light materials dispersed in substances. The apparatus comprises a screened funnel through which the substance is introduced, a cylindrical tube mounted on support means and inclined to the ...
09/20/1977
 
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