Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Step air foil










Image Number 4 for United States Patent #7530179.

Step air foil particularly for one-sided flotation of a running web, and web dryer incorporating the same. The air foil includes two discharge slots which allow for increased draw down force, which flattens machine direction wrinkles in a floating web. The air foil includes a primary discharge slot and a second discharge slot spaced from and stepped down from the primary discharge slot, a first web support surface between the primary discharge slot and the secondary discharge slot, and a second web support surface downstream of the secondary discharge slot in the direction of web travel. The air foil is in communication with an air supply which provides a supply of air that is uniformly distributed to the primary and secondary slots. Air discharged from the primary slot is gathered into the air stream of the secondary slot and creates an increased air cushion to provide greater support to the moving web and thereby remove machine direction web wrinkles caused by higher tension in light weight webs.








 
 
  Recently Added Patents
Digital media content distribution
Potentiometric-sensor chip, potentiometric assay, and assay kit
Fan guide
Materials and methods for stress reduction in semiconductor wafer passivation layers
High-efficiency preambles for communications systems over pseudo-stationary communication channels
Cable sheath
Scissors
  Randomly Featured Patents
Methods and apparatus for extending gas turbine engine airfoils useful life
Screen assembly having diverter members and method for progressively treating an interval of a welibore
Quiet switching apparatus and method of operation
Prevention of robot damage via capacitive sensor assembly
Envelope positioning assembly
Methods for forming and programming aligned fuses disposed in an integrated circuit
Mathematical based board game apparatus
Methods and apparatus for transporting substrate carriers
Profile-based preprocessor for optimizing programs
Digital BTSC multi-channel TV sound decoder circuit, and decoder comprising same