发明名称 Production of double wall corrugated web
摘要 <p>A synchronized flute double wall corrugated paperboard web is produced in a corrugating apparatus utilizing cooperatively operated single facers (11,12) to provide an intermediate single face web with corrugated media on both faces, and then combining outer liners (50,51) to both corrugated media immediately prior to on entry into the double backer (13) utilizing a glue applicator (43) that precludes glue line disturbance. The system may also be operated to produce conventional double wall board or single wall board utilizing either of the single facers. A synchronized flute double wall board provides enhanced strength and may be run on this corrugator at the same speed as single wall board. <IMAGE></p>
申请公布号 EP0979727(A2) 申请公布日期 2000.02.16
申请号 EP19990306331 申请日期 1999.08.11
申请人 MARQUIP, LLC 发明人 CUMMINGS, JAMES A.;MARSCHKE, CARL R.
分类号 B31F1/24;B31F1/00;B31F1/28;(IPC1-7):B31F1/28 主分类号 B31F1/24
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