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:
Oct. 07, 1997
Filed:
Sep. 07, 1995
Timothy Donnelly, Wilmington, DE (US);
Edwin E Kaufman, Ambler, PA (US);
Heraeus Electro-Nite International N.V., Houthalen, BE;
Abstract
An apparatus is provided for obtaining a sample coupon from a container of molten metal for the performance of metallographic microstructural evaluation. The apparatus comprises a housing formed of a material resistant to thermal breakdown, the housing having an exterior surface, a closed first end, and a second end including an opening sized and shaped for receiving and retaining a support member. The housing further includes an interior coupon chamber and a passageway extending between the coupon chamber and the exterior surface. The coupon chamber has at least one generally flat surface and a cross-sectional dimension of not less than seven square millimeters and not greater than 1,250 square millimeters.