Invention Grant
- Patent Title: Door comprising vermiculite-containing core, and method of making the same
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Application No.: US15849941Application Date: 2017-12-21
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Publication No.: US10246934B2Publication Date: 2019-04-02
- Inventor: Shirley Wang , Jared Andrew Garrett , Scott Evert Johnson , Sungtse Lin
- Applicant: Plastpro 2000, Inc.
- Applicant Address: US CA Los Angeles
- Assignee: PLASTPRO 2000, INC.
- Current Assignee: PLASTPRO 2000, INC.
- Current Assignee Address: US CA Los Angeles
- Agency: Duane Morris LLP
- Main IPC: E06B5/20
- IPC: E06B5/20 ; E06B3/70 ; E06B3/78 ; C04B28/26 ; C04B14/20 ; C04B20/06
Abstract:
A door for attenuating sound includes at least one core disposed between a front surface and a back surface. The at least one core includes a composition comprising vermiculite, for example, expanded vermiculite, and an inorganic bonding agent. Such a composition for the core has a density of at least 600 Kg/m3. The door has at least a sound transmission class (STC) rating or an outdoors/indoors transmission coefficient (OITC) being higher than 30.
Public/Granted literature
- US20180179807A1 DOOR COMPRISING VERMICULITE-CONTAINING CORE, AND METHOD OF MAKING THE SAME Public/Granted day:2018-06-28
Information query
