公开(公告)号：US06248212B1

公开(公告)日：2001-06-19

申请号：US09000584

申请日：1997-12-30

申请人： Ralph L. Anderson ,  Tom C. Saffel

发明人： Ralph L. Anderson ,  Tom C. Saffel

IPC分类号： D21H1972

CPC分类号： D21F11/145 ,  D21F11/14 ,  D21H11/14 ,  D21H25/005

摘要： A web structure is formed by a process including first through-air drying the fibrous web comprising at least about 20% non-premium fiber, next applying a bonding material to the fibrous web, and next creping the fibrous web to form the web structure having a BLK/BW and CCDWT at least 85% of a wet-pressed web structure comprising 100% premium fiber. The web structure may alternatively or in addition to have a TWA and/or BLK/BW greater than the TWA and/or BLK/BW of a through-air-dried, bonded, and creped web structure comprising 100% premium fiber. The process may be repeated on the second side. The web structure may comprise a combination of hardwood, softwood, CTMP, and/or recycled fibers. The web structure may include at least about 40% recycled fibers.

摘要翻译： 纤维网结构通过一种方法形成，该方法包括首先通过干燥包含至少约20％非优质纤维的纤维网，然后将粘合材料施加到纤维网上，然后将纤维网起皱以形成纤维网结构， BLK / BW和CCDWT至少85％的包含100％优质纤维的湿压网状结构。 纤维网结构可以替代地或另外具有大于通过空气干燥，粘合和起皱的纤维网结构的TWA和/或BLK / BW的TWA和/或BLK / BW，其包含100％优质纤维。 该过程可以在第二侧重复。 网状结构可以包括硬木，软木，CTMP和/或再循环纤维的组合。 纤维网结构可以包括至少约40％的再循环纤维。