1
Robert A Daane, Roy E Downham: Paper web handling apparatus having improved air bar with dimensional optimization. Advance Systems, James E Nilles, November 22, 1988: US04785986 (76 worldwide citation)

Apparatus for drying a running paper web and floatingly suspending it without contact during the drying process, including air bars which are considerably larger than conventional air bars, for example, being about five and one-fourth inches square in cross-section, and being about three and one-hal ...


2
Paul H Stibbe, Robert A Daane: High velocity web floating air bar having a recessed Coanda plate. W R Grace & Co, James E Nilles, May 6, 1980: US04201323 (39 worldwide citation)

An air bar for floating a running web and having two spaced apart air nozzles through which pressurized air is directed against the web to form a supporting air cushion for the web. The nozzles are elongated slots extending transversely of the web and which are positioned at each edge of an interven ...


3
Robert A Daane: High velocity web floating air bar having air flow straightening means for air discharge slot means. W R Grace & Co, James E Nilles, April 15, 1980: US04197973 (34 worldwide citation)

An air bar for floating a running web and having air discharge slot means through which pressurized air is directed against the web to support the web. Pressurized air is introduced into the central portion of the air bar and a separate passageway is formed along the side wall of the air bar and whi ...


4
Robert A Daane: Web dryer solvent vapor control means. W R Grace & Company, James E Nilles, July 31, 1984: US04462169 (25 worldwide citation)

A web that is coated or imprinted on both surfaces has a straight stretch that emerges from a dryer enclosure in which the web is heated and extends to a chill roll around which a curved portion of the web is partially wrapped. A duct-like tunnel surrounding said stretch has its outer end near the c ...


5
Robert A Daane: Contactless turning guide having air slots longitudinally along running web edges. W R Grace & Co, James E Nilles, April 15, 1980: US04197972 (24 worldwide citation)

A guide for contactless support of a running web as the latter changes directions. The guide is formed as a drum-like member having an arcuately curved surface which can be variable as to the length of its arc depending on the degree of turn or change of direction desired for the running web. A pair ...


6
Paul H Stibbe, Roy E Downham, Robert A Daane: Dryer apparatus for floating a running web and having baffle means for spent return air. Advance Systems, James E Nilles, May 30, 1989: US04833794 (23 worldwide citation)

Apparatus for floatingly suspending a running web through an elongated dryer, and having a series of air delivering, individual air bars located along the length of the web for discharging air towards the web for supporting the latter, the spent air then passing into the space between the air bars; ...


7
Robert A Daane: Preventing air film between web and roller. W R Grace & Co, James E Nilles, January 25, 1983: US04369584 (21 worldwide citation)

A web moving in one direction and having partial wrapping engagement with a cylindrical surface of a rotating roller is impacted by an air jet which forces it into intimate contact with the roller, preventing intrusion of an air film between the roller and the portion of the web curved around it. Th ...


8
Eugene W Wittkopf, Allen R Jorgensen, Robert A Daane: Web surface treating apparatus. Magna Graphics Corporation, Andrus Sceales Starke & Sawall, May 28, 1985: US04519757 (18 worldwide citation)

A five roll calendar apparatus includes five rolls mounted in a common horizontal plane, including three heated rolls with first and second covered rolls. Each heated roll includes an inner rigid core having an outer finished surface. A plurality of grooves are formed by machining the face of the co ...


9
Robert A Daane: Air bar having asymmetrical inlet. W R Grace & Co, James E Nilles, May 5, 1981: US04265384 (17 worldwide citation)

An elongated air bar having parallel, forwardly opening outlets extending along its length, has partition means in its interior, disposed symmetrically to a plane which is midway between said outlets and extends forwardly and rearwardly through the air bar. The partition means divides the air bar in ...


10
Randall D Helms, Robert A Daane: Apparatus and method for ultrasonic control of web. Advance Systems, Nilles & Nilles, July 3, 1990: US04938404 (17 worldwide citation)

A turning guide for a running web and which guide has a curved guide surface with air slots therein and pressurized air supplied from a blower is delivered through a plenum to the guide to form a cushion of pressurized air which floatingly supports the web. An adjustable damper operated by a servomo ...