The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 23, 1994
Filed:
Jul. 30, 1993
Applicant:
Inventor:
Thomas B Green, Batavia, OH (US);
Assignee:
Tekmar Company, Cincinnati, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
7386486 ; 73 2341 ;
Abstract
A needle interface apparatus for maintaining a stable connection between a first instrument and a second instrument, such as an auto-sampler unit and a gas chromatograph. A needle interface apparatus is comprised of a modified septum nut on the second instrument which has a nipple, and a needle assembly having a sleeve positioned around the needle wherein the sleeve frictionally fits over the nipple of the modified septum nut. A support tube surrounds the needle assembly and connected transfer line from the first instrument to minimize flexing of the outlet tubing relative to the needle assembly.