Expandable panel for environmentally controllable chamber

Details Expandable panel for environmentally controllable chamber Expandable panel for environmentally controllable chamber

1997-10-14

2000-01-25

Walberg, Teresa

Heating

Heating or heat retaining work chamber structure

Door, cover or port

110173R, F23J 106, F23M 700

Patent

active

060172150

ABSTRACT:
An apparatus having at least one environmentally controllable chamber with an opening includes a chamber opening covering having at least one expandable portion that is expandable into the chamber when the covering is in a closed position. A chamber opening covering actuator enables movement of the covering between at least one open position and a closed position relative to the opening. The open position of the chamber opening covering allows at least partial access to the chamber through the opening.

REFERENCES:
patent: 4883002 (1989-11-01), Schuster
patent: 5193998 (1993-03-01), Hack et al.

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