Rolling diaphragms

Claim 1

A ROLLING DIAPHRAGM COMPRISING A WOVEN FABRIC INSERT INCLUDING FILL THREADS AND WARP THREADS AND AN ELASTOMERIC SKIN COEXTENSIVE WITH SAID FABRIC INSERT FILLING PORES FORMED BETWEEN SAID FILL THREADS AND WARP THREADS TENDING TO RESILIENTLY MAINTAIN SAID FILL THREADS AND WARP THREADS IN INITIAL POSITIONS THEREOF AND ALLOWING LIMITED RELATIVE MOVEMENT BETWEEN SAID FILL THREADS AND WARP THREAD, SAID FILL THREADS AND WARP THREAD OF SAID FABRIC INSERT BEING ARRANGED TO FORM A RADIALLY INNER HEAD PORTION, A RADIALLY OUTER FLANGE PORTION AND ROLLING WALL PORTION INTERMEDIATE SIDE HEAD PORTION AND SAID FLANGE PORTION, THE CONSTITUENT FILL THREADS AND WARP THREADS OF SAID HEAD PORTION EXTENDING IN TWO DIRECTIONS INTERSECTING AT RIGHT ANGLES, SAID TWO DIRECTIONS DEFINING FOUR MAIN ROLLING WALL SECTORS ANGULARLY DISPLACED 90 DEGREES AND EACH OF SAID FOUR ROLLING WALL SECTORS ENCOMPASSING CIRCUMFERENTIALLY ABOUT 45 DEGREES, SAID ROLLING WALL PORTION FURTHER INCLUDING FOUR INTERMEDIATE ROLLING WALL SECTORS EACH SITUATED BETWEEN TWO OF SAID FOUR MAIN ROLLING WALL SECTORS, EACH OF SAID INTERMEDIATE ROLL ING WALL SECTORS ENCOMPASSING CIRCUMFERENTIALLY ABOUT 45 DEGREES, THE CONSTITUENT FILL THREADS AND WARP THREADS OF SAID ROLLING WALL PORTION BEING CIRCUMFERENTAILLY PRESSED AND THE CIRCUMFERENTIAL COMPRESSION OF SAID FILL THREADS AND WARP THREADS INCREASING PROGRESSIVELY FROM THE END OF SAID ROLLING WALL PORTION ADJACENT SAID HEAD PORTION TOWARD THE END OF SAID ROLLING WALL PORTION ADJACENT SAID FLANGE PORTION, AND THE CIRCUMFERENTIAL COMPRESSION OF SAID FILL THREADS AND WARP THREADS WITHIN SAID FOUR MAIN ROLLING WALL SECTORS EXCEEDING THE CIRCUMFERENTIAL COMPRESSION OF SAID FILL THREADS AND WARP THREADS WITHIN SAID FOUR INTERMEDIATE ROLLING WALL SECTORS.