Laying head for rod rolling mill

Details Laying head for rod rolling mill Laying head for rod rolling mill

2006-03-14

2006-03-14

Nguyen, John Q. (Department: 3654)

Winding, tensioning, or guiding

Loop forming

By orbital guide

Reexamination Certificate

active

07011264

ABSTRACT:
In a laying head for forming a longitudinally moving hot rolled product into a helix, a tubular quill has a central axis of rotation and a through passageway extending along the central axis from a first end to an opposite second end of the quill. The interior quill surface has a cylindrical section leading from the first end of the passageway to a radially outwardly flared section which in turn leads to the second end of the passageway. A laying pipe is received in the through passageway. The laying pipe has an entry end aligned with the central axis at the first end of the passageway, a curved intermediate portion surrounded by the flared section of the interior quill surface, and an end portion projecting axially from the second end of the passageway to a delivery end spaced radially from the central axis. A first support at the first end of the passageway radially supports the entry end of the laying pipe, and a second support projects axially into the passageway from the second end of the quill to provide support for the curved intermediate portion of the laying pipe.

REFERENCES:
patent: 4353513 (1982-10-01), Holthoff
patent: 6179237 (2001-01-01), David et al.
patent: 0 779 115 (1997-06-01), None
patent: 0 958 866 (1999-11-01), None
patent: 943474 (1960-11-01), None

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