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Application filed by Viz 72 CsfiledCriticalViz 72 Cs
Priority to CS886017ApriorityCriticalpatent/CS270591B2/en
Publication of CS601788A2publicationCriticalpatent/CS601788A2/en
Publication of CS270591B2publicationCriticalpatent/CS270591B2/en
Soundproofing, Sound Blocking, And Sound Damping
(AREA)
Abstract
The glass has a sheet of plastics sandwiched between two sheets of glass. Each sheet has holes in it, in different horizontal and vertical positions. One side of each glass sheet adjacent to the plastics sheet has grooves between the holes in the glass sheets. - Pref. the holes in the sheets are round and the grooves are rectangular in cross-section.