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Class 34/525 - By web breaking


Subclass of Class 34 - Drying and gas or vapor contact with solids
Definition: Apparatus having means responsive to severing a piece of
No. of patents: 6
Last issue date: 04/29/2008


NumberTitleIssue Date
7363730Devices and method for removing broken pulp web from a pulp dryer and maintenance platform for a pulp dryer
A device (21) and method for removing a broken pulp web (27) from a pulp dryer and a maintenance platform (23) comprising such a device. The device (21) comprises an actuator (31), a pulling means (33) functionally coupled t...
04/29/2008
7065901Method and device for cooling a material web
A method of cooling a material web includes, after drying a material web, moving the material web in a given direction on a meander-shaped web path over a cooling cylinder and at least one other cylinder disposed at a location selected from a group thereof consistin...
06/27/2006
6996921Web positioning device
A web positioning device includes one or more ports positioned in or adjacent at least one platen of a gap drying system, wherein upon generation of a vacuum force through each port, movement of a web of material conveyed through the gap drying system is arrested by...
02/14/2006
5575085Apparatus and method for controlling the rotary airlocks in a coal processing system by reversing the motor current rotating the air lock
An improvement to a coal processing system where hard materials found in the coal may cause jamming of either inflow or outflow rotary airlocks, each driven by a reversible motor. The instantaneous current used by the motor is continually monitored and co...
11/19/1996
4668181Heating device and process for controlling the heating device for webs to be unwound from rolls
A heater is provided for heating an unwound portion of a web supported at a holder on a rotatable roll. A first pair of rollers between the holder and heater pull the web from the roll. A second pair of rollers advance the web after it passes through the ...
05/26/1987
4646446UV curing apparatus
An apparatus for the ultraviolet irradiating printed ink on sheet at a UV curing station is provided with a cooling station immediately downstream of the UV curing station. Air knives at the cooling station increase the air velocity and cause a turbulent ...
03/03/1987
 
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