发明名称 Multiwall sheet, an article, a method of making a multiwall sheet
摘要 Disclosed herein is a multiwall sheet that comprises a first wall, a second wall, an intermediate wall disposed between the first wall and the second wall, a first set of ribs disposed between the first wall and the intermediate wall, and a second set of ribs disposed between the second wall and the intermediate wall. No ribs are in direct vertical alignment so as to align from the first wall to the second wall and no ribs are on a side of the first wall opposite the intermediate wall or on a side of the second wall opposite the intermediate wall. Also disclosed is a method for making a multiwall sheet.
申请公布号 US8889248(B2) 申请公布日期 2014.11.18
申请号 US200812262767 申请日期 2008.10.31
申请人 SABIC Global Technologies B.V. 发明人 Thiagarajan Chinniah;Adriaansen Frans
分类号 B32B3/20;B32B7/00;E04C2/54 主分类号 B32B3/20
代理机构 Cantor Colburn LLP 代理人 Cantor Colburn LLP
主权项 1. A multiwall sheet comprising: a first wall; a second wall; an intermediate wall disposed between the first wall and the second wall; ribs disposed between the first wall and the intermediate wall and between the second wall and the intermediate wall, wherein at least one of the ribs forms a riser having a height as measured between one wall and an adjacent wall; a base having a length which extends from one end of the riser across the adjacent wall to a location where a next rib that extends away from the one wall meets the base, and wherein the height of the riser is less than or equal to 50 percent of the length of the base; wherein no ribs are in direct vertical alignment so as to align from the first wall to the second wall, and wherein there are no ribs on a side of the first wall opposite the intermediate wall or on a side of the second wall opposite the intermediate wall; and wherein the multiwall sheet comprises a polymeric material.
地址 NL