Siemens Industry, Inc.

Primetals Technologies USA LLC

Christopher D Lashua

Keith Fiorucci

William Shen

Kenneth Plante

Hugh T O'Neill

Keith E Fiorucci

A trim shear is adapted to trim the front and tail ends of a hot rolled product exiting from a rolling mill along a mill pass line and travelling at either high or low speeds, depending on the size of the product being rolled. The trim shear comprises a trim station having a high speed a set of trim knives configured and arranged to trim the front and tail ends of high speed products, and a different low speed set of trim knives disposed laterally from the high speed set of trim knives and configured and arranged to trim the front and tail ends of low speed products; and the trim station is transversely shifted with respect to the mill pass line to alternatively locate either one or the other of the sets of trim knives in an active position on the mill pass line.

High speed traversing shear

A trim shear is adapted to trim the front and tail ends of a hot rolled product exiting from a rolling mill along a mill pass line and travelling at either high or low speeds, depending on the size of the product being rolled. The trim shear comprises a trim station having a high speed a set of trim knives configured and arranged to trim the front and tail ends of high speed products. A different low speed set of trim knives are disposed laterally from the high speed set of trim knives and configured and arranged to trim the front and tail ends of low speed products. The trim station is shifted transversely with respect to the mill pass line to alternatively locate either one or the other of the sets of trim knives in an active position on the mill pass line.

An apparatus is disclosed for receiving a helical formation of rings free falling from the delivery end of a conveyor, and for gathering the rings into a coil. The apparatus comprises a vertically disposed mandrel having an upper end positioned for encirclement by the free falling rings. A vertically disposed support column is positioned adjacent to the mandrel. Upper and lower coil plate assemblies are carried by and vertically adjustable on the support column. A drive system vertically adjusts the coil plate assemblies in a descending manner in which the free falling rings encircling the mandrel are initially accumulated on the upper coil plate assembly before being transferred onto the lower coil plate assembly.

Coil forming apparatus and method

A laying head tripper has a ramp with a lip detachably secured to its forward edge. The ramp and/or the lip are contoured to match the curvature of the rings being formed by the laying head.

Modular tripper for rolling mill laying head

A laying pipe configured for rotation about its axis in a rolling mill laying head, comprises a metal outer tube having an entry section aligned with its axis, an intermediate section curving away from its axis, and a delivery section having a constant radius measured from its axis. A metal inner tube has entry, intermediate and delivery sections respectively lining the entry, intermediate and delivery sections of the outer tube. The inner tube is constrained against movement relative to the outer tube solely by frictional contact with the outer tube. The inner tube is movable incrementally within the outer tube in one direction in response to heating and cooling cycles during rotation of the laying pipe about its axis.

Growing community of inventors

Gardner, MA, United States of America

Christopher D Lashua