The closing cap is axially movable fixed in the opening of the replaceable cap.

The closing bolster (126) may have a first closing member (132), a second closing member (146), and an interior space.

(57) The dosing valve is composed of a hollow main body (1); where a stem (2) is placed and guiding gills (3) are mounted on its lower end; there is a replaceable, closing cap (4) under them.

A diameter reduced hole (6) communicating with the external of the sealing cap (2) is formed in the upper end of the sealing cap (2) corresponding to the inner bore (3).

The lower surface of the flexible closing cap (5) is contiguously sealed to the upper surface of the clapboard (2).

The locking nut includes an external taper that expands the bushing outward to lock it into position in the slot.

The guide holder is provided with an opening (72b) for receiving the closing cap projecting on the track rail in the cylinder.

A relief valve for aerosol refrigerant tank includes a valve body (1) and a sealing cap (2).

An elastic stopper (10) and an enclosure cap (30) incorporating the stopper for sealing a vial (24) while allowing piercing of the stopper.

The anchor assembly preferably includes a bone anchor (10), a body (20) with a rod-receiving channel, an insert member (40) (preferably a bushing), and a locking cap with a saddle (70).

A reduced-pressure, linear-wound closing bolster (126) has a pivotable frame (130) that moves from an extended position to a compressed position under the influence of reduced pressure.

The driving piston (73) has a pressing portion (75) in contact with the upper surface of the closing cap (70) and also has a hammering portion (74a) hammered by a tool.