Injection needle

Details Injection needle Injection needle

1982-10-28

1984-07-24

Swisher, S. Clement

Measuring and testing

Sampler, sample handling, etc.

Capture device

7386474, G01N 110

Patent

active

044611854

ABSTRACT:
A needle, for use in withdrawing a liquid sample from sample vessels closed by self-sealing diaphragms, includes a capillary tube 12 turned inwardly at its end. The end thereof is tapered conically at the inside as well as at the outside.

REFERENCES:
patent: 3754434 (1975-08-01), Guild

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