公开(公告)号：US09284147B2

公开(公告)日：2016-03-15

申请号：US13623959

申请日：2012-09-21

Applicant: Michael E. Techlin

Inventor： Michael E. Techlin

IPC: B65H75/14 ,  B65H18/28 ,  B65H19/22 ,  B65H75/24

CPC classification number: B65H19/2292 ,  B65H18/04 ,  B65H18/28 ,  B65H19/283 ,  B65H75/245 ,  B65H2301/418526 ,  B65H2301/41854 ,  B65H2405/461 ,  B65H2405/572 ,  B65H2511/172 ,  B65H2701/1924

Abstract: The mandrel is formed from flexible and elastic material, and after the roll is wound, the mandrel is pulled longitudinally and withdrawn from the roll of paper to form a coreless roll.

Abstract translation: 心轴由柔性和弹性材料形成，并且在辊被卷绕之后，心轴被纵向拉伸并从纸卷中取出以形成无芯卷。

公开(公告)号：US20140084102A1

公开(公告)日：2014-03-27

申请号：US13623959

申请日：2012-09-21

Applicant: Michael E. Techlin

Inventor： Michael E. Techlin

IPC: B65H18/08 ,  B65H67/00 ,  B65H75/18

CPC classification number: B65H19/2292 ,  B65H18/04 ,  B65H18/28 ,  B65H19/283 ,  B65H75/245 ,  B65H2301/418526 ,  B65H2301/41854 ,  B65H2405/461 ,  B65H2405/572 ,  B65H2511/172 ,  B65H2701/1924

Abstract: A coreless roll of paper is formed by winding a web of paper around an elongated mandrel to form a roll of convolutely wound paper. The mandrel is formed from flexible and elastic material, and after the roll is wound, the mandrel is pulled longitudinally and withdrawn from the roll of paper to form a coreless roll.Alternatively, the mandrel can be pressurized to expand the mandrel radially before or during the winding of the web around the mandrel. After the roll is wound, the pressure in the mandrel is relieved so that the mandrel contracts radially, and the mandrel is withdrawn from the roll.A novel clasp is used to grasp and extract a tubular mandrel from the roll. The clasp includes a rigid shaft which is adapted to be inserted into a tubular mandrel. A plurality of clamping blocks are spaced radially outwardly from the shaft and are spaced circumferentially around the shaft. A plurality of actuators are engageable with the clamping blocks to move the clamping blocks radially inwardly toward the shaft whereby a mandrel can be clamped between the clamping blocks and the shaft.

Abstract translation: 无芯卷纸通过将纸幅卷绕在细长心轴上以形成卷卷卷纸而形成。 心轴由柔性和弹性材料形成，并且在辊被卷绕之后，心轴被纵向拉伸并从纸卷中取出以形成无芯卷。 或者，可以在将纤维网围绕心轴缠绕之前或期间径向地将心轴加压以使心轴扩张。 在辊卷绕之后，心轴中的压力被释放，使得心轴径向收缩，心轴从辊中取出。 使用新颖的扣环来从卷筒中抓取和提取管状心轴。 该卡扣包括适于插入管状心轴中的刚性轴。 多个夹紧块与轴径向向外间隔开，并且围绕轴周向间隔开。 多个致动器可与夹紧块接合，以将夹持块径向向内朝向轴移动，由此可将心轴夹紧在夹紧块和轴之间。