VACUUM OR PRESSURE COUPLING DEVICES
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Abstract
A VACUUM OR PRESSURE COUPLING DEVICE COMPRISES MATEABLE BODY MEMBERS EACH PROVIDED WITH MEANS FOR CONNECTION TO TUBULAR MEMBERS AND EACH PROVIDED WITH MEANS FOR MAINTAINING THE BODY MEMBERS IN ENGAGEMENT, ONE OF THE BODY MEMBERS BEING PROVIDED WITH A STIFFLY FLEXIBLE SEALING MEMBER WHICH IS SEALINGLY AND TELESCOPICALLY MATEABLE WITH A SECTION OF ANOTHER OF THE BODY MEMBERS.
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