In disc drives having multiple discs, a plate is preferably disposed between each pair of adjacent discs.

An annular gap defined between a pair of adjacent rotatable disks.

A process for manufacturing a pair of seal members (10 and 12) such as a pair of disks which control the fluid flow of a faucet.

A pair of rotatable, slotted, circular disks connected to rotate with each other are located in a pair of aligned interconnected cylindrical housings.

Said lever is located underneath the pairs (32, 33) of brake disks, from which location it can influence the pressure loads of one of the disk pairs (32, 33) with one lever arm (17', 17') respectively.

The plates 18 are arranged within a housing 12 with a spacer element 22 positioned between each adjacent pair of plates 18.

A clipping channel is formed between the opposing clipping surfaces of each two discs.

A top disk wiper (115) contacts the other outer surface of the disk pair.

A disk engagement structure is defined in the pair of adjacent rotatable disks.

The outer plane surfaces of disks and rings of the inner pair (1, 2, 3, 4) are in full and continuous contact with the inclined circular planes (12, 13, 14) of the outer pair of disks (6, 7).

The occlusion device further includes a pair of asymmetric occluder disks attached to the waist.

An exercise machine with a pair of revolving discs includes a housing (10).

Within the valve body there are a pair of apertured ceramic shear action discs 13, 14.

The final grinding takes place between the pair of outer discs.

Pair of wave / petal front discs adaptable to the following models.