Bending load beam

Details Bending load beam Bending load beam

1987-04-03

1988-09-27

Van Balen, William J.

Stock material or miscellaneous articles

Sheet including cover or casing

Foamed or expanded material encased

428109, 428114, 428119, 428120, 428188, 428294, 4283166, B32B 312, B32B 512, B32B 704

Patent

active

047741171

ABSTRACT:
In a bending load beam, in particular for the truck or bogie frames of rail vehicles, comprising a fiber composite structure relatively rigid at least in the center of the beam, elastic at the beam end sections, having an upper and a lower fiber cord fashioned as respective upper and lower flanges with the fiber oriented in the longitudinal direction of the beam and with a fiber composite core placed between the fiber cords to maintain their distance, the fiber composite core is composed of fiber composite load webs distributed lamellae-like over the width of the beam. The load webs are oriented in the longitudinal direction of the beam, form the boundaries of hollow chambers, and are bound into the upper and the lower fiber cords. The fibers of the load webs are oriented obliquely to the longitudinal direction of the beam, with which the demands of high torsion resistance, great flexural strength and a defined rigidity increasing from the relatively less rigid end sections toward the beam center are met in ways which do justice to the fiber composite material and save weight.

REFERENCES:
patent: 4177306 (1979-12-01), Schulz et al.
patent: 4464429 (1984-08-01), Michaud-Soret
patent: 4617217 (1986-10-01), Michaud-Soret

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