Dead-volume-free gravimetric gas distribution injection port joint

Dead-volume-free gravimetric gas distribution injection port joint

The invention discloses a dead-volume-free gravimetric gas distribution injection port connector which comprises an injection head connector body, an injection port upper connector, an internal sealing piece, an upper sealing gasket, a nut and a needle head. The internal sealing piece and the upper...

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1. Verfasser: HU SHUGUO
Format: Patent
Sprache:chi ; eng
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator HU SHUGUO
description The invention discloses a dead-volume-free gravimetric gas distribution injection port connector which comprises an injection head connector body, an injection port upper connector, an internal sealing piece, an upper sealing gasket, a nut and a needle head. The internal sealing piece and the upper sealing gasket are positioned in the injection head connector main body; the internal sealing piece is positioned below the sealing gasket; the injection port upper joint is positioned above the sealing gasket; the nut is used for connecting and locking the injection port upper joint and the injection head joint main body; the needle head is positioned in the middle of the whole device; compared with a traditional injection port, the dead-volume-free gravimetric-method gas distribution injection port connector has the advantages that dead volume is avoided, waste of raw materials is reduced, energy conservation and environmental protection are achieved, the injection port connector is a customized processing produc
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Dead-volume-free gravimetric gas distribution injection port joint
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