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US 6,145,444 AGranted
Micro clean sealed tubular transporter apparatus
OwnerKerry E. Wilkinsoninventor
Life of this patent
Estimating the term…
Abstract
Apparatus for transporting elements in a clean room environment includes a tubular element having a positive air pressure therein for providing a clean air environment and a cart movable in the tubular element. The cart may be movable by either an external propulsion system to which the cart is coupled or by an internal system to which the cart is coupled.
Claims5
Transport apparatus comprising in combination:
- tubular means for receiving a cart movable therein;
- a cart disposed in the tubular means for transporting elements in the tubular means;
- means for moving the cart in the tubular means including an electromagnetic coil system and a ferritic rod secured to the cart for coupling the cart to the electromagnetic coil system;
- and
- means for pressurizing the tubular means.
2 more elements
Dependencies are inferred from the claim text.