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:
Apr. 25, 2017
Filed:
Jul. 01, 2009
Jung Bok Hwang, Pyeongtaek-si, KR;
Sun Ung Kim, Gyeongju-si, KR;
Won Hyuck Kim, Ulsan, KR;
Seung JO Yoo, Gyeongju-si, KR;
Hyun Woo Lee, Daegu, KR;
Jung Bok Hwang, Pyeongtaek-si, KR;
Sun Ung Kim, Gyeongju-si, KR;
Won Hyuck Kim, Ulsan, KR;
Seung Jo Yoo, Gyeongju-si, KR;
Hyun Woo Lee, Daegu, KR;
MS Autotech Co., Ltd., Gyeongsangbuk-do, KR;
Abstract
In a heating furnace system for hot stamping, a first heating furnace has a plurality of pairs of upper and lower rolls arranged in a lengthwise direction thereof in order to transfer a steel plate, and high-frequency coils alternately arranged with the pairs of upper and lower rolls in the lengthwise direction thereof. A second heating furnace continuously transfers the steel plate from the first heating furnace during heating the steel plate at temperature of Aor more, and has a plurality of transfer rollers arranged in a lengthwise direction thereof. The second heating furnace includes an electric furnace or a gas furnace. This heating furnace system can reduce space required for facilities by 50% or more compared to the related art.