Energy absorbing permanently deformable collapsible column

Details Energy absorbing permanently deformable collapsible column Energy absorbing permanently deformable collapsible column

1975-06-13

1976-09-21

Purser, Ernest R.

Static structures (e.g., buildings)

Irreversibly reactive component

52 98, 52731, 293DIG3, 52167, 52301, E04C 200, E04C 332

Patent

active

039811140

ABSTRACT:
A compound column for absorbing the energy of impact at a controlled rate. The compound column is comprised of an outer column, which collapses at a predetermined rate during the initial phase of energy absorption, and an inner column, which prevents buckling of the outer column during this phase. During the second phase of collapse both columns absorb energy, at a higher predetermined rate, by collapsing simultaneously.

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patent: 3863589 (1975-02-01), Guienne et al.
patent: 3864922 (1975-02-01), Dial et al.
patent: 3888502 (1975-06-01), Felzer et al.

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