.~.~ Adjustment effected by selectively removable spacer or skim element between relatively movable parts
DEFINITION
Classification: 92/204
(under subclass 201) Apparatus in which the means for effecting the radial adjustment of the side wall portion includes a spacer or shim element positionable between relatively movable parts of the piston and which may be optionally inserted between said parts or removed therefrom to effect such adjustment.
