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Class 34/637 - Having drive roller


Subclass of Class 34 - Drying and gas or vapor contact with solids
Definition: Subject matter including a power cylinder to propel the
No. of patents: 11
Last issue date: 04/06/2004


NumberTitleIssue Date
6715942Photographic processing drum having a circular drying cylinder
A photographic processor includes a circular processing drum and a circular drying cylinder. A transfer arm is utilized to transfer processed photographic media from the circular processing drum to the circular drying cylinder. The circular drying cylinder includes ...
04/06/2004
6206995Moving-web slack reducing system including a deformable tension roller
A moving-web slack reducing system including a deformable tension roller, such as a brush-type tension roller having an outer surface defined by the ends of a plurality of bristles. The slack reducing system may be deployed in a preheater assembly for a m...
03/27/2001
5832628Web holddown with thread-up mechanism
A double backer for curing the web bonding adhesive and drying the corrugated paperboard web utilizes a web holddown apparatus for maintaining the web in intimate drying contact with the lower heating units which does not require the use of a driven holdd...
11/10/1998
5746010Web holddown and drive for corrugator double backer
A double backer for curing the web bonding adhesive and drying the corrugated paperboard web utilizes a web holddown apparatus for maintaining the web in intimate drying contact with the lower heating units which does not require the use of a driven holdd...
05/05/1998
5713138Coating dryer system
A dryer system for drying a coating applied to a substrate includes a thermally conductive roll having a length and a peripheral surface for supporting the substrate, and a plurality of energy emitters disposed within the conductive roll along the length ...
02/03/1998
5608955Fabric finishing machine with air-jet fabric to drum entrainer
A fabric-finishing machine comprises a tank in which there is a series of drums driven in the same direction and forming an entrainment path extending from the front portion of the tank to the rear portion in a rectilinear direction. The drums entrain a s...
03/11/1997
5537178Apparatus for the processing of photographic sheet material
A processing apparatus comprises at least one wet processing station followed by a dryer in which wet sheet material comes into contact with heated drying air. Sheet material is fed over a static support member which supports the sheet material during dry...
07/16/1996
5031339Film dryer for photographic film
Photographic film is dried in a film dryer having a pattern of film guide rollers inside a hollow drying chamber contained in an outer drying housing. A continuous film strip is passed through the chamber and around the rollers so that long lengths of the...
07/16/1991
4738035Drying apparatus for sliced veneer
A drying apparatus for sheets of sliced veneer has two conveyor belts lying one above the other running together jointly around a partially curvilinear, looped path guided by a plurality of guide apparatuses, the belts being positioned so that the sheets ...
04/19/1988
4417406Arrangement for drying plate-shaped wood products
An arrangement for drying plate-shaped wood products, such as veneers and plywood plies, includes a roller conveyor which advances the products in the leading portion of their drying path, and a belt conveyor which advances the products in the trailing po...
11/29/1983
3991483Photographic copying apparatus
A photographic copying apparatus of the type in which a copy is guided through a hermetically sealed drying chamber disposed behind a developing liquid tank so that the copy may be dried by heat produced in the drying chamber is improved in that at least ...
11/16/1976
 
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