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- Cleaning at the Cutting Edge
- (News | New Products)
- August 17, 2008, ... area. Both standard and bespoke contact cleaners can be provided. In operation, the company claims web cleaners must penetrate the boundary layer of air surrounding a moving web. The faster the material ...
- Narrow Web New Products
- (Magazine)
- July 31, 2007, ... boundary air layer of films. Because web rotates the elastomer roller, film is not scratched and user does not need to match speed with motors. Visit booth 6160. PFFC-ASAP 319 Produce P-S Labels ...
- Narrow Web New Products
- (Magazine)
- June 30, 2007, ... teknek.com The NWP contact web cleaner uses an elastomer roller that runs in contact with the web, penetrating the boundary layer that noncontact systems cannot reach, company says. Roller removes all ...
- New Products
- (Magazine)
- June 30, 2007, ... bearing friction, speed change, and boundary layer air. PFFC-ASAP 433 Cut Downtime with Slitters Bimec, Vanzaghello, Italy; +39 0331 307491; bimec.it The STM Series of high-speed, duplex slitter/rewinders ...
- Lessons in Laminating
- (Magazine)
- January 31, 2007, ... encapsulated air. Small variations in the topography of the coatings, some of which were solvent-based, held air in the boundary layer as the two parts of the laminate came together. To achieve an extremely ...
- Eliminate Pesky Bubbles
- (Magazine)
- November 29, 2004, ... Speed Air also can be entrained to form bubbles during the coating operation itself. A principle of fluid mechanics is that there is no relative motion at an interface. Thus a thin film of air (a boundary ...
- Winding Better Rolls
- (Archive)
- May 31, 2003, ... winding nip reduce air wound into a roll? A: Air is entrained with the moving web's surface on both the entering web and the outside of the winding roll. The boundary layer of air travels at nearly the ...
- Slitting Adhesive-Coated, Low-Strength Films
- (Magazine)
- September 30, 2001, ... production roll very hard on the edges. The hard edges prevent sufficient stack compression of the winding layers by the lay-on roll to exclude the proper amount of boundary air in the production rolls. ...
- Converting Industry News
- (Magazine)
- August 31, 2001, ... a scrubber duct for boundary layer ozone extraction at the exit point of the station. Supplier Information Sherman Treaters Ltd., a div. of ITW, Thame, Oxon, U.K.; +44 (0) 1844-213686; shermantreaters.co.uk ...
- Web Handling...Making a Slitter/Winder Upgrade Work for You
- (Magazine)
- March 31, 2001, ... sufficient to provide relief volume for storage of entrapped boundary air under smooth surface webs to keep them tracking properly through the machine. Tracking friction is broken when the boundary air ...
- Controlling Your Web from Beginning to End, Part II
- (Magazine)
- December 31, 2000, ... winding wraps. The amount of stack compression is a function of several variables, including thickness of the entrapped boundary air layer between the wraps; height and population of surface asperity; ...
- Curtain Coating Technology Can Mean Big Benefits
- (Magazine)
- February 29, 2000, ... an arched dryer. The uncoated web approaching the impinging curtain will drag along a boundary layer of air, which deforms the curtain (balloon effect) and tends to be entrained between the web and ...