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.

Date of Patent:
Oct. 24, 2006

Filed:

Apr. 30, 2004
Applicants:

Kazuyasu Wada, Kanagawa, JP;

Yusuke Yano, Kanagawa, JP;

Tomoya Inoue, Kanagawa, JP;

Masanori Kyo, Kanagawa, JP;

Masaki Kawahara, Tokyo, JP;

Inventors:

Kazuyasu Wada, Kanagawa, JP;

Yusuke Yano, Kanagawa, JP;

Tomoya Inoue, Kanagawa, JP;

Masanori Kyo, Kanagawa, JP;

Masaki Kawahara, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 25/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed herein are a crustal core sampler, by which a crustal core sample can be cored in a state coated with a flow-able coating material free of any contamination, and a method of coring a core sample using this crustal core sampler. The crustal core sampler comprises a drilling mechanism and a barrel, wherein the barrel is equipped with a flow-able coating material-ejecting mechanism, and a columnar crustal core portion is coated with a flow-able coating material. Alternatively, the crustal core sampler is constructed by a drill pipe and an inner barrel, wherein the inner barrel is equipped with an inner barrel body, a core elevator, a channel-forming member for forming a flow-able coating material-running channel and flow-able coating material-ejecting openings, and a columnar crustal core portion is coated with a flow-able coating material.


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