IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0014580
(2001-12-14)
|
발명자
/ 주소 |
- Augeraud, Regis
- Delzenne, Michel
|
출원인 / 주소 |
- La Soudure Autogene Francaise, L'Air Liquide - Societe Anonyme a Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procedes Georges Claude
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
7 |
초록
▼
Protective cap for a plasma arc working torch, includes a cap body (7) having an opening (17) for the passage of plasma gas, the cap body (7) being made of at least one material of ceramic type. The ceramic is a silicon nitride or an aluminum silicate. Preferably, the ceramic cap body (7) is clad wi
Protective cap for a plasma arc working torch, includes a cap body (7) having an opening (17) for the passage of plasma gas, the cap body (7) being made of at least one material of ceramic type. The ceramic is a silicon nitride or an aluminum silicate. Preferably, the ceramic cap body (7) is clad with boron nitride deposited on the external surface of the cap body, the thickness of the cladding of boron nitride being less than 3 mm. Torch provided with such a cap and its use in a steel plate plasma cutting operation.
대표청구항
▼
Protective cap for a plasma arc working torch, includes a cap body (7) having an opening (17) for the passage of plasma gas, the cap body (7) being made of at least one material of ceramic type. The ceramic is a silicon nitride or an aluminum silicate. Preferably, the ceramic cap body (7) is clad wi
Protective cap for a plasma arc working torch, includes a cap body (7) having an opening (17) for the passage of plasma gas, the cap body (7) being made of at least one material of ceramic type. The ceramic is a silicon nitride or an aluminum silicate. Preferably, the ceramic cap body (7) is clad with boron nitride deposited on the external surface of the cap body, the thickness of the cladding of boron nitride being less than 3 mm. Torch provided with such a cap and its use in a steel plate plasma cutting operation. -5619051, 19970400, Endo; US-5621227, 19970400, Joshi; US-5623439, 19970400, Gotoh et al.; US-5623552, 19970400, Lane; US-5629534, 19970500, Inuzuka et al.; US-5633724, 19970500, King et al.; US-5635433, 19970600, Sengupta; US-5640267, 19970600, May et al.; US-5650646, 19970700, Summerfelt; US-5656382, 19970800, Nashimoto; US-5659180, 19970800, Shen et al.; US-5661112, 19970800, Hatta et al.; US-5668048, 19970900, Kondo et al.; US-5670798, 19970900, Schetzina; US-5670800, 19970900, Nakao et al.; US-5674366, 19971000, Hayashi et al., 204/298.09; US-5682046, 19971000, Takahashi et al.; US-5686741, 19971100, Oho
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