Invention Grant
US3266822A Metal forming process for shaping ends of tubes and the product thereof
失效
用于成形管的端部的金属成形工艺及其制品
- Patent Title: Metal forming process for shaping ends of tubes and the product thereof
- Patent Title (中): 用于成形管的端部的金属成形工艺及其制品
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Application No.: US44793565Application Date: 1965-03-15
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Publication No.: US3266822APublication Date: 1966-08-16
- Inventor: GOTTLOB HINDERER
- Applicant: PRICE PFISTER BRASS MFG
- Assignee: Price Pfister Brass Mfg
- Current Assignee: Price Pfister Brass Mfg
- Priority: US44793565 1965-03-15; US13286861 1961-08-21
- Main IPC: B21D41/02
- IPC: B21D41/02 ; F16L19/028 ; F16L19/04
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