A sampling apparatus (20) for interstitial fluid includes a pressure ring (66) surrounding a collection needle (10).
Said rotary body includes a shaft sleeve (5), a clamping sleeve (8) for a rotary shaft, a pressure ring (9) and a locking device.
Said pressure ring (9) is nested around an end of said shaft sleeve (5) and presses said clamping sleeve (8) from the outside.
A pressure ring (1) surrounds a skin contact opening (4) and is adapted for pressing against the skin.
A pressure ring is fastened internally to at least one of the first and second panels to cover the flanged butt joint.
The squeeze ring (34) moreover extends over the sheathing (8).
The pressing ring (7) is supported by a support tool (11).
The pressing ring (10) comprises a pressing section (11) and an action section (13) which is provided with a space section (13d).
A pressing ring (7) is arranged on the outer peripheral side of an end of the blade (5).
The auxiliary lens, the pressing ring, and the imaging lens are sequentially assembled inside the tube casing.
The supporter is affixed to the inside wall of the rubber sleeve, the outside wall of the rubber sleeve is covered with the cuff.
An optical tube comprises a tube casing (1), an auxiliary lens (2), a pressing ring (3), and an imaging lens (4).
A second focusing lens group is fixed in the front lens chamber (22) with a front lens chamber pressing ring (32).
The gasket press-holding mechanism (22) holds the gasket (2) in the axial direction in a pressing manner by a gasket-pressing ring (34) and a lower mold ring (35).
A connector for coaxial cable is disclosed herein which has a gripping ring positioned between a compression ring and a connector body.
A pressing sleeve (38) is used for pressing, which drives the squeeze ring (36) by a wedge effect inward.
At the same time, the blade (5) is welded with the locking ring (6) and the pressing ring (7).