Invention Grant
- Patent Title: Machine for straightening and stress-relieving steel rails
- Patent Title (中): 矫直和减轻钢轨的机器
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Application No.: US836148Application Date: 1986-03-04
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Publication No.: US4726212APublication Date: 1988-02-23
- Inventor: Raymond Y. Deroche , Jacques Michaux
- Applicant: Raymond Y. Deroche , Jacques Michaux
- Applicant Address: FRX Metz
- Assignee: Unimetal
- Current Assignee: Unimetal
- Current Assignee Address: FRX Metz
- Priority: FRX8503641 19850311
- Main IPC: B21D3/12
- IPC: B21D3/12 ; B21D25/00
Abstract:
A hydraulic stretching machine for straightening and stress-relieving rails, the machine being defined by stretching grips and fixing shackles being displaceable individually and independently, laterally and vertically, with respect to the longitudinal axis of the stretching machine, and grip-holding jaws which can be oriented about a longitudinal axis, the jaws including a fixed jaw and a mobile jaw articulated in and upon the fixed jaw.
Public/Granted literature
- US5965013A Steam cracking method and plant using controlled injection of solid particles into a quenching exchanger Public/Granted day:1999-10-12
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