Acoustical door

Details Acoustical door Acoustical door

1993-12-17

1995-05-16

Gellner, M. L.

Acoustics

Sound-modifying means

Sound absorbing panels

181290, E04B 1343

Patent

active

054162858

ABSTRACT:
An acoustical door including a multiple ply core with individual plies separated from one another by intervening spacer networks. The networks provide generally uniform sound damping spaces between the core plies and are glued in position between the plies to bond the core together.

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patent: 4998598 (1991-03-01), Mardian et al.
patent: 5057176 (1991-10-01), Bainbridge

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