La Calhene, Inc.

Michael A Szatmary

A transfer port apparatus ( ) is provided to enable a worker to transfer one or more objects through a sealed passageway provided in the apparatus ( ) from one sealed chamber into another sealed chamber. Transfer port apparatus ( ) is adapted to be coupled to a movable canister ( ) and a stationary isolator ( ). Expandable airtight seals ( ) are deflated, doors ( ) are removed and an object ( ) is transferred into the airtight clean working environment established in the isolator ( ) through the sealed passageway established in transfer port apparatus ( ) following coupling of canister ( ) to isolator ( ) using transfer port apparatus ( ). After the object ( ) is moved, doors ( ) are replaced and expandable airtight seals ( ) are inflated creating a substantially airtight seal. Movable canister ( ) can be uncoupled from the transfer port apparatus ( ).

Rapid transfer port

An apparatus for providing a clean working environment includes an isolation booth, a worker booth, and an access device arranged to enable a worker in the worker booth to handle material in an isolation chamber formed in the isolation booth. A pressure generator is positioned to communicate with the isolation chamber to generate an air pressure therein that is less than the air pressure of an air curtain passing through the worker booth so that air is drawn from the air curtain in the worker booth into the isolation chamber through any air leak opening that develops in and around the access device so as to block outflow of air in the isolation chamber to the worker booth through the air leak opening.

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Ft. Worth, TX, United States of America

Michael A Szatmary