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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Chisels

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B25D-017/02    E21C-035/18    C21D-001/613    C21D-009/50    C22C-038/18    B23K-031/02    B23K-037/00    B28D-001/26    C21D-006/00    C21D-009/22    C22C-038/00    C22C-038/02    C22C-038/04    C22C-038/22    C22C-038/24    C22C-038/44   
출원번호 US-0566867 (2014-12-11)
등록번호 US-9333635 (2016-05-10)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Markow, Scott B.
인용정보 피인용 횟수 : 0  인용 특허 : 79
초록
▼

A chisel includes an elongate shank portion composed of a first steel, and a working end portion composed of a second steel that is different than the first steel. The working end portion is joined to the shank and configured to chisel a workpiece. The joined shank portion and working end portion has been heat treated to cause the first steel of the shank portion to adopt a first microstructure comprising bainite, the second steel of the working end portion to adopt a second microstructure comprising martensite, and the working end portion to have a grea...

대표
청구항
▼

1. A chisel comprising: an elongate shank portion composed of a first steel, anda working end portion joined to the shank portion to form a joined shank portion and working end portion and configured to chisel a workpiece, the working end portion composed of a second steel that is different than the first steel,wherein the joined shank portion and working end portion have been heat treated to cause the first steel of the shank portion to adopt a first microstructure comprising bainite, the second steel of the working end portion to adopt a second microst...

이 특허에 인용된 특허 (79)

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