Diver's pressure chamber system

Details Diver's pressure chamber system Diver's pressure chamber system

1975-09-30

1977-03-15

Shapiro, Jacob

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

61 69R, 61 69A, 98 15, B63C 1132, A61M 1602

Patent

active

040118673

ABSTRACT:
A diver's pressure chamber system for use with a pressure chamber having a sealable access and a sealed transfer container for the diver, comprises a tubular projection which is formed around the access of the pressure chamber. In addition, a cylindrical lock space part is hermetically engageable and sealable with the tubular projection and defines, along with the tubular projection, the access, a lock space between the transfer container and the pressure chamber. In one form, the cylindrical lock space part is of substantially the same length as the transfer container and it is held to the projection formed around the access of the main pressure chamber, for example, by a rotatable bayonet-type sleeve catch. In another form, the main pressure chamber includes a lock space which is formed as a part of the projection extending outwardly from the pressure chamber and this lock space portion in turn includes a second projection forming a collar for a cylindrical lock space part which is engageable and hermetically sealable thereto.

REFERENCES:
patent: 3368556 (1968-02-01), Jensen et al.
patent: 3548516 (1970-12-01), Lanphier et al.

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