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1. 发明申请

WO1997046756A1 EXTENDED NIP PRESS WITH OSCILLATING BLANKET FOR EXTENDED WEAR 审中-公开
标题翻译：扩展NIP压力与振动毯子扩展磨损
公开(公告)号：WO1997046756A1
公开(公告)日：1997-12-11
申请号：PCT/US1997007542
申请日：1997-05-05
申请人： BELOIT TECHNOLOGIES, INC.
发明人： BELOIT TECHNOLOGIES, INC. , LANGE, David, V. , McCARVILLE, David, J. , GARDE, Jeffrey, R.
IPC分类号： D21F03/02
CPC分类号： D21F3/0218 , D21F3/0245
摘要： An Extended Nip-type press (20) has a blanket (30) which passes over a shoe (22) which is urged against a backing roll (24) to form a press nip (56). A hydraulic system (70) and controller (94) provides for automatic continuous oscillation of the blanket (30) in the cross machine direction. The oscillation results in a region of high fatigue (58, 59) continuously moving over the blanket (30) surface so that the amount of time any particular region sees wear is minimized. Positioning of the heads (38, 42) to which the blanket (30) ends are mounted is controlled by hydraulic pistons (60, 62) mounted between a support beam (26) and the heads (38, 42). A controller (94) operates a valve (74) to reverse the direction of motion of the blanket (30) when sensors (92, 98) indicate one end of the blanket (30) has reached a stop (64, 80). A throttle valve (86) controls the rate at which hydraulic fluid is supplied to the cylinders (60, 62) which urge the head (38, 42) away from the shoe (22).
摘要翻译：一个延长的尼普式压力机（20）具有一个穿过一个穿过一个支承辊（24）形成压榨压区（56）的鞋（22）的橡皮布（30）。液压系统（70）和控制器（94）提供橡皮布（30）在横向上的自动连续振荡。振荡导致在毛毯（30）表面上连续移动的高疲劳（58,59）区域，使得任何特定区域看到的磨损时间的量最小化。安装橡皮布（30）端头的头部（38,42）的定位由安装在支撑梁（26）和头部（38,42）之间的液压活塞（60,62）控制。当传感器（92,98）指示橡皮布（30）的一端已经到达停止（64,80）时，控制器（94）操作阀（74）以反转橡皮布（30）的运动方向。节流阀（86）控制向液压缸（60,62）供应液压流体的速率，其将头部（38,42）推离鞋子（22）。

2. 发明申请

WO1995022654A1 AN EXTENDED NIP PRESS APPARATUS 审中-公开
标题翻译：扩展NIP压力设备
公开(公告)号：WO1995022654A1
公开(公告)日：1995-08-24
申请号：PCT/US1994014849
申请日：1994-12-22
申请人： BELOIT TECHNOLOGIES, INC.
发明人： BELOIT TECHNOLOGIES, INC. , SANDBERG, Brian, G. , BRANDT, David, A. , BROWN, Dale, A. , COLLINS, Robert, E. , LANGE, David, V. , LINDSTRAND, Bruce, L. , RADTKE, Michael, A.
IPC分类号： D21F03/02
CPC分类号： D21F3/0218
摘要： An extended nip press apparatus (10) is disclosed for removing water from a web (W). The apparatus (10) includes a rotatable backing roll (12) and an elongate shoe (14) which cooperate with the backing roll (12) for defining therebetween an extended nip (16) for the passage therethrough of the web (W). The shoe (14) defines a concave surface (18). A bearing blanket (20) is movably disposed between the backing roll (12) and the concave surface (18). The arrangement is such that the web (W) is supported by the blanket (20) with the web (W) being disposed between the blanket (20) and the backing roll (12). A lubricant (26) is supplied between the concave surface (18) and the blanket (20) such that the blanket (20) is slidingly supported by the concave surface (18) during passage of the blanket (20) through the extended nip (16). The concave surface (18) encompasses a pocket (28) defined by the shoe (14). The arrangement is such that the pocket (28) is filled with lubricant (26) flowing from the concave surface (18) so that in the event of a wad of the web entering into the extended nip (16), the wad is yieldingly received within the pocket (28) so that damage to the blanket (20) by the wad is minimized.
摘要翻译：公开了一种用于从网（W）去除水的延长的压区压制装置（10）。设备（10）包括可旋转的背衬辊（12）和细长的鞋（14），其与背衬辊（12）配合，用于在其间限定用于纤维网（W）穿过的延伸压区（16）。鞋（14）限定凹面（18）。轴承座（20）可移动地设置在支承辊（12）和凹面（18）之间。该布置使得卷筒纸（W）由毯子（20）支撑，纸幅（W）布置在橡皮布（20）和背衬辊（12）之间。在凹面（18）和橡皮布（20）之间供应润滑剂（26），使得橡皮布（20）在橡皮布（20）穿过延伸压区（17）时由凹面（18）滑动地支撑 16）。凹面（18）包围由鞋（14）限定的口袋（28）。该布置使得袋（28）填充有从凹面（18）流动的润滑剂（26），使得在卷筒纸进入扩展辊隙（16）的情况下，该容器被屈服地接收在口袋（28）内，使得由棉絮损坏毯子（20）被最小化。

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