Resources Contact Us Home
Multi-stage forming drum commutator

Image Number 13 for United States Patent #6630096.

A method and apparatus (20) for forming a fibrous web (50) includes a movable, foraminous forming surface (22) and a substantially stationary, vacuum-commutator duct system (24) which is located substantially subjacent the forming surface (22). The vacuum-commutator duct system (24) has an entrance opening (26) that changes in configuration along a longitudinal dimension (30) of the entrance opening (26).

  Recently Added Patents
Semiconductor device and manufacturing method
Cosmetic/dermatological compositions comprising naphthoic acid compounds and polyurethane polymers
Polishing composition
System for encrypting and decrypting a plaintext message with authentication
System and method for deposition in high aspect ratio magnetic writer heads
Method and system for detecting center pivot collision
Accelerator for a read-channel design and simulation tool
  Randomly Featured Patents
Method of and a device for automatically milking a dairy animal
High throughput thin film characterization and defect detection
Biodegradable molded article and container using the molded article
Detachable component sunglasses
Voltage measuring device having electro-optic sensor and compensator
Interferometric apparatus and method for surface profile detection
Animal excrement disposal sheet and manufacturing method thereof
Distance-measuring method and transmitting and receiving station for carrying out the same
Braking system with independent antilock control channels
Deferred sychronization of distributed objects