公开(公告)号：US5167897A

公开(公告)日：1992-12-01

申请号：US662536

申请日：1991-02-28

申请人： Gerald M. Weber ,  William R. Vinnage, Jr. ,  Douglas H. Benson ,  David A. Sabatelli ,  James W. Richardson

发明人： Gerald M. Weber ,  William R. Vinnage, Jr. ,  Douglas H. Benson ,  David A. Sabatelli ,  James W. Richardson

IPC分类号： A61F13/49 ,  A61F5/44 ,  A61F13/15 ,  A61F13/496 ,  B29C55/02 ,  B29C55/04 ,  B29C55/06 ,  B29C55/08 ,  B29C55/10 ,  B29C55/18 ,  B29C59/04 ,  B29K21/00 ,  B29L31/48 ,  B32B5/24 ,  B32B37/00

CPC分类号： A61F13/15593 ,  B29C55/023 ,  B29C55/085 ,  B29C55/18

摘要： An improved method and apparatus for incrementally stretching "zero strain" stretch laminate webs to impart elasticity thereto in the direction of initial stretching, at least up to the point of initial stretching. The "zero strain" stretch laminate material is formed of at least two plies of material which are either intermittently or substantially continuously secured to one another along at least a portion of their coextensive surfaces while in a substantially untensioned ("zero strain") condition. One of the plies is stretchable and elastomeric, while the second ply is elongatable, but not necessarily elastomeric. The second ply will, upon stretching of the laminate, be at least to a degree permanently elongated so that, upon release of the applied tensile forces, it will not return to its original undistorted configuration. This results in z-direction bulking of the laminate web when the applied tension is released as well as subsequent elastic extensibility in the direction of initial stretching, at least up to the point of initial stretching. In a particularly preferred embodiment of the present invention the opposed peripheral edge portions of the laminate web to be incrementally stretched are subjected to restraint to substantially prevent inwardly directed slippage or contraction thereof in a direction parallel to the direction of stretching. This maximizes the effectiveness of the incremental web stretching operation by forcing the "zero strain" stretch laminate web to undergo the fullest possible degree of elongation during the incremental stretching operation.

摘要翻译： 一种改进的方法和装置，用于递增地拉伸“零应变”拉伸层压纤维网，以在初始拉伸的方向上赋予弹性，至少直到初始拉伸。 “零应变”拉伸层压材料由至少两层材料形成，它们在基本上未张紧（“零应变”）条件下，沿其共同延伸表面的至少一部分间断地或基本上连续固定。 其中一层是可拉伸和弹性的，而第二层是可伸长的，但不一定是弹性的。 第二层将在拉伸层压体时至少达到一定程度的永久拉长，使得在释放所施加的拉伸力时，其将不会返回到其原始的未失真构型。 这导致当施加的张力释放时层压纤维网的z方向膨胀以及在初始拉伸方向上的随后的弹性延展性，至少直到初始拉伸。 在本发明的一个特别优选的实施例中，要逐渐拉伸的层压纤维网的相对的周边边缘部分受到约束，以基本上防止沿着与拉伸方向平行的方向向内的滑动或收缩。 通过迫使“零应变”拉伸层压纤维网在增量拉伸操作期间经历最大可能的伸长程度，使增量幅材拉伸操作的效果最大化。

公开(公告)号：US5156793A

公开(公告)日：1992-10-20

申请号：US662537

申请日：1991-02-28

申请人： Kenneth B. Buell ,  Gerald M. Weber ,  James R. Mick ,  James W. Richardson

发明人： Kenneth B. Buell ,  Gerald M. Weber ,  James R. Mick ,  James W. Richardson

IPC分类号： A61F13/49 ,  A61F5/44 ,  A61F13/15 ,  B29C55/02 ,  B29C55/04 ,  B29C55/06 ,  B29C55/08 ,  B29C55/10 ,  B29C55/18 ,  B29K21/00 ,  B29L31/48

CPC分类号： B29C55/18 ,  A61F13/15593 ,  B29C55/023 ,  B29C55/08

摘要： A "zero strain" stretch laminate web exhibiting a non-uniform degree of elasticity, as measured in the direction of elasticization at various points along an axis oriented substantially perpendicular to the direction of elasticization. Improved method and apparatus for non-uniformly stretching "zero strain" stretch laminate webs to impart elasticity thereto in the direction of stretching, at least up to the point of initial stretching are also disclosed. The "zero strain" stretch laminate material is formed of at least two plies of material which are either intermittently or substantially continuously secured to one another along at least a portion of their coextensive surfaces while in a substantially untensioned ("zero strain") condition. One of the plies is stretchable and elastomeric, while the second ply is elongatable, but not necessarily elastomeric. The second ply will, upon stretching of the laminate, be at least to a degree permanently elongated so that, upon release of the applied tensile forces, it will not return to its original undistorted configuration. This results in z-direction bulking of the laminate web when the applied tension is released as well as elastic extensibility in the direction of initial stretching, at least up to the point of initial stretching. In a particularly preferred embodiment of the present invention, the mechanical stretching of said laminate web is carried out by passing said laminate web between at least one pair of meshing corrugated rolls, the degree of meshing between said corrugated rolls being non-uniform about the periphery of said rolls, whereby said laminate web is subjected to non-uniform incremental stretching as it passes therebetween to produce a varying degree of elasticity in the resultant web.

摘要翻译： 在沿着基本上垂直于弹性化方向定向的轴的各个点处沿弹性方向测量的“零应变”拉伸层压纤维网呈现不均匀的弹性。 还公开了用于非均匀拉伸“零应变”拉伸层压纤维网以在拉伸方向上弹性至少达到初始拉伸点的改进方法和装置。 “零应变”拉伸层压材料由至少两层材料形成，它们在基本上未张紧（“零应变”）条件下，沿其共同延伸表面的至少一部分间断地或基本上连续固定。 其中一层是可拉伸和弹性的，而第二层是可伸长的，但不一定是弹性的。 第二层将在拉伸层压体时至少达到一定程度的永久拉长，使得在释放所施加的拉伸力时，其将不会返回到其原始的未失真构型。 这导致当施加的张力被释放以及在初始拉伸方向上的弹性延伸性时，至少直到初始拉伸点，层压纤维网的z方向膨胀。 在本发明的一个特别优选的实施方案中，所述层压纤维网的机械拉伸通过使所述层压纤维网在至少一对啮合波纹辊之间通过，所述波纹辊之间的啮合程度在周边上是不均匀的 的所述辊，由此所述层压纤维网在其间经过不均匀的增量拉伸，以在所得纤维网中产生不同程度的弹性。

公开(公告)号：US5143679A

公开(公告)日：1992-09-01

申请号：US662543

申请日：1991-02-28

申请人： Gerald M. Weber ,  James W. Richardson

发明人： Gerald M. Weber ,  James W. Richardson

IPC分类号： A61F13/49 ,  A61F5/44 ,  A61F13/15 ,  A61F13/496 ,  B29C55/02 ,  B29C55/06 ,  B29C55/08 ,  B29C55/10 ,  B29C55/18 ,  B29C59/04 ,  B29K21/00 ,  B29L9/00 ,  B32B5/24 ,  B32B37/00

CPC分类号： B29C55/18 ,  A61F13/15593 ,  A61F13/15707 ,  B29C55/023 ,  B29C55/085 ,  A61F2013/15821

摘要： An improved method and apparatus for incrementally stretching "zero strain" stretch laminate webs to impart elasticity thereto in the direction of stretching, at least up to the point of initial stretching. The "zero strain" stretch laminate material is formed of at least two plies of material which are either intermittently or substantially continuously secured to one another along at least a portion of their coextensive surfaces while in a substantially untensioned ("zero strain") condition. One of the plies is stretchable and elastomeric, while the second ply is elongatable, but not necessarily elastomeric. The second ply will, upon stretching of the laminate, be at least to a degree permanently elongated so that, upon release of the applied tensile forces, it will not return to its original undistorted configuration. This results in z-direction bulking of the laminate web when the applied tension is released as well as subsequent elastic extensibility in the direction of initial stretching, at least up to the point of initial stretching. In a particularly preferred embodiment of the present invention, the mechanical stretching operation is carried out by passing said laminate web between multiple pairs of meshing corrugated rolls, each pair of rolls exhibiting a greater degree of meshing than the preceding pair, to sequentially stretch said web in stages. Sequentially stretching the web in the foregoing manner minimizes damage to the web.

摘要翻译： 一种改进的方法和装置，用于递增地拉伸“零应变”拉伸层压纤维网，以在拉伸方向至少直到初始拉伸点赋予弹性。 “零应变”拉伸层压材料由至少两层材料形成，它们在基本上未张紧（“零应变”）条件下，沿其共同延伸表面的至少一部分间断地或基本上连续固定。 其中一层是可拉伸和弹性的，而第二层是可伸长的，但不一定是弹性的。 第二层将在拉伸层压体时至少达到一定程度的永久拉长，使得在释放所施加的拉伸力时，其将不会返回到其原始的未失真构型。 这导致当施加的张力释放时层压纤维网的z方向膨胀以及在初始拉伸方向上的随后的弹性延展性，至少直到初始拉伸。 在本发明的一个特别优选的实施方案中，机械拉伸操作是通过使多层啮合的波纹辊之间通过所述层压纤维网而进行的，每对辊与前一对相比呈现较大程度的啮合， 分阶段 以上述方式连续地拉伸幅材使得对网的损坏最小化。

公开(公告)号：US4823783A

公开(公告)日：1989-04-25

申请号：US156394

申请日：1988-02-16

申请人： William Willhite, Jr. ,  Gerald M. Weber ,  Godfrey Retier

发明人： William Willhite, Jr. ,  Gerald M. Weber ,  Godfrey Retier

IPC分类号： A61F13/15 ,  B29C65/00 ,  B29C65/08 ,  B29C65/18 ,  B29L9/00 ,  A61L15/00

CPC分类号： B32B37/00 ,  A61F13/15699 ,  B29C65/086 ,  B29C65/18 ,  B29C65/30 ,  B29C65/72 ,  B29C66/00441 ,  B29C66/0322 ,  B29C66/1122 ,  B29C66/242 ,  B29C66/433 ,  B29C66/7392 ,  B29C66/81265 ,  B29C66/81433 ,  B29C66/83411 ,  B29C66/83415 ,  B29C66/83417 ,  B29C66/91421 ,  B29C66/91431 ,  B29C66/91651 ,  B29C66/919 ,  B29C66/91951 ,  B29C66/71 ,  B29C66/7294 ,  B29C66/73921 ,  B29C66/81821 ,  B29C66/83421 ,  B29C66/91645 ,  B29C66/92651 ,  B29K2105/0854 ,  B29L2009/00 ,  B29L2031/4878 ,  B32B2310/028 ,  Y10S428/913 ,  Y10T428/14 ,  Y10T428/24322 ,  Y10T428/24777 ,  Y10T428/24826 ,  Y10T428/28 ,  Y10T428/2848

摘要： Method and apparatus for ultrasonically bonding continuously moving webs to one another using a stationary vibrating horn and a relatively slick, non-thermally softenable moving slip layer interposed between the webs to be bonded and the horn to prevent web damage. Interposing the slip layer between the webs to be bonded and the ultrasonic horn improves both the quality and efficiency of web bonding. It reduces friction between the travelling webs and the substantially stationary ultrasonic horn not only due to its relatively slick surface, but also due to the compressive force which the slip layer exerts upon the webs to be bonded. This in turn minimizes jamming and hangups in the very limited clearance existing between the rotating anvil roll and the substantially stationary vibrating ultrasonic horn. In addition, the slip layer maximizes retention of heat either generated in the laminate web by the ultrasonic horn or transferred to the laminate web structure by preheating one or more of the webs. If desired, the slip layer may be comprised of a continuous belt which rotates about the ultrasonic horn. In addition, a secondary slip layer may be provided intermediate the webs to be bonded and the rotating anvil roll to minimize heat transfer from the webs to the anvil roll and to prevent sticking of the webs to the anvil roll. In a particularly preferred embodiment the peripheral edges of the raised anvil bosses are relieved slightly to minimize web tearing and to enhance bond strength. In still another preferred embodiment the anvil roll is heated to a temperature approximating the maximum temperature achieved by the webs being bonded to minimize heat transfer from the webs to the anvil roll during the bonding operation. Novel laminate products bonded on-the-fly without the use of an ancillary adhesive may also be produced.

摘要翻译： 使用静止的振动喇叭和插入在要接合的纤维网和喇叭之间的相对光滑，不可热软化的移动滑动层将连续移动的网状物超声波连接到彼此的方法和装置，以防止网损坏。 将待粘接的纤维网和超声波喇叭之间的滑动层插入，可以提高纤维网粘合的质量和效率。 它不仅由于其相对光滑的表面而且还由于滑动层施加在待粘合的幅材上的压缩力而减小了行进幅材和基本上静止的超声波喇叭之间的摩擦。 这进一步减小了在旋转砧辊和基本上静止的振动超声波喇叭之间存在的非常有限的间隙中的干扰和挂断。 此外，滑动层使得由超声波喇叭产生的层叠纤维网中的热量的保留最大化，或通过预热一个或多个纤维网将其转移到层压纤维网结构。 如果需要，滑动层可以由围绕超声波喇叭旋转的连续带组成。 此外，可以在待粘合的纤维网和旋转砧辊之间设置二次防滑层以最小化从腹板到砧座辊的热传递，并防止腹板粘附到砧辊上。 在一个特别优选的实施例中，凸起的砧座凸起的周边边缘略微松开，以最大限度地减小网状物撕裂并增加粘合强度。 在另一个优选实施例中，将砧辊加热到接近通过接合腹板实现的最大温度的温度，以最小化在接合操作期间从腹板到砧辊的热传递。 还可以生产不使用辅助粘合剂而在飞行中粘合的新型层压制品。

公开(公告)号：US5059277A

公开(公告)日：1991-10-22

申请号：US835068

申请日：1986-02-28

申请人： William Willhite, Jr. ,  Gerald M. Weber ,  Godfrey Retier

发明人： William Willhite, Jr. ,  Gerald M. Weber ,  Godfrey Retier

IPC分类号： A61F13/15 ,  B29C65/00 ,  B29C65/08 ,  B29C65/18 ,  B29L9/00

CPC分类号： B32B37/00 ,  A61F13/15699 ,  B29C65/086 ,  B29C65/18 ,  B29C65/30 ,  B29C65/72 ,  B29C66/00441 ,  B29C66/0322 ,  B29C66/1122 ,  B29C66/242 ,  B29C66/433 ,  B29C66/7392 ,  B29C66/81265 ,  B29C66/81433 ,  B29C66/83411 ,  B29C66/83415 ,  B29C66/83417 ,  B29C66/91421 ,  B29C66/91431 ,  B29C66/91651 ,  B29C66/919 ,  B29C66/91951 ,  B29C66/71 ,  B29C66/7294 ,  B29C66/73921 ,  B29C66/81821 ,  B29C66/83421 ,  B29C66/91645 ,  B29C66/92651 ,  B29K2105/0854 ,  B29L2009/00 ,  B29L2031/4878 ,  B32B2310/028 ,  Y10S428/913 ,  Y10T428/14 ,  Y10T428/24322 ,  Y10T428/24777 ,  Y10T428/24826 ,  Y10T428/28 ,  Y10T428/2848

摘要： Method and apparatus for ultrasonically bonding continuously moving webs to one another using a stationary vibrating horn and a relatively slick, non-thermally softenable moving slip layer interposed between the webs to be bonded and the horn to prevent web damage. Interposing the slip layer between the webs to be bonded and the ultrasonic horn improves both the quality and efficiency of web bonding. It reduces friction between the travelling webs and the substantially stationary ultrasonic horn not only due to its relatively slick surface, but also due to the compressive force which the slip layer exerts upon the webs to be bonded. This in turn minimizes jamming and hangups in the very limited clearance existing between the rotating anvil roll and the substantially stationary vibrating ultrasonic horn. In addition, the slip layer maximizes retention of heat either generated in the laminate web by the ultrasonic horn or transferred to the laminate web structure by preheating one or more of the webs. If desired, the slip layer may be comprised of a continuous belt which rotates about the ultrasonic horn. In addition, a secondary slip layer may be provided intermediate the webs to be bonded and the rotating anvil roll to minimize heat transfer from the webs to the anvil roll and to prevent sticking of the webs to the anvil roll. In a particularly preferred embodiment the peripheral edges of the raised anvil bosses are relieved slightly to minimize web tearing and to enhance bond strength. In still another preferred embodiment the anvil roll is heated to a temperature approximating the maximum temperature achieved by the webs being bonded to minimize heat transfer from the webs to the anvil roll during the boding operation. Novel laminate products bonded on-the-fly without the use of an ancillary adhesive may also be produced.

摘要翻译： 使用静止的振动喇叭和插入在要接合的纤维网和喇叭之间的相对光滑，不可热软化的移动滑动层将连续移动的网状物超声波连接到彼此的方法和装置，以防止网损坏。 将待粘接的纤维网和超声波喇叭之间的滑动层插入，可以提高纤维网粘合的质量和效率。 它不仅由于其相对光滑的表面而且还由于滑动层施加在待粘合的幅材上的压缩力而减小了行进幅材和基本上静止的超声波喇叭之间的摩擦。 这进一步减小了在旋转砧辊和基本上静止的振动超声波喇叭之间存在的非常有限的间隙中的干扰和挂断。 此外，滑动层使得由超声波喇叭产生的层叠纤维网中的热量的保留最大化，或通过预热一个或多个纤维网将其转移到层压纤维网结构。 如果需要，滑动层可以由围绕超声波喇叭旋转的连续带组成。 此外，可以在待粘合的纤维网和旋转砧辊之间设置二次防滑层以最小化从腹板到砧座辊的热传递，并防止腹板粘附到砧辊上。 在一个特别优选的实施例中，凸起的砧座凸起的周边边缘略微松开，以最大限度地减小网状物撕裂并增加粘合强度。 在另一个优选实施例中，将砧辊加热到接近通过接合腹板实现的最大温度的温度，以最小化在编织操作期间从腹板到砧辊的热传递。 还可以生产不使用辅助粘合剂而在飞行中粘合的新型层压制品。

公开(公告)号：US4579292A

公开(公告)日：1986-04-01

申请号：US735284

申请日：1985-05-16

申请人： Gerald M. Weber ,  Godfrey Reiter

发明人： Gerald M. Weber ,  Godfrey Reiter

IPC分类号： B65H16/10 ,  B65H19/10 ,  B65H23/185

CPC分类号： B65H19/10 ,  B65H16/106

摘要： An apparatus for unwinding a roll of web material which is prone to blocking: for example, an elastomeric film which, while rolled, is prone to having the convolutions of the roll stick together. The apparatus induces a sufficiently high rate of strain in a short span adjacent the roll to effect continuously peeling the outermost convolution from the roll. Additionally, the apparatus is of such a geometry that, in the event blocking precipitates circumferential shifting of the point of web separation from the roll, the stripping angle is increased. This, in turn, increases the effectiveness of the rate of strain induced peeling force on the web whereby more positive peeling occurs.

摘要翻译： 用于展开容易堵塞的卷筒纸材料卷的装置：例如，滚动时易于使卷筒纸卷叠在一起的弹性薄膜。 该设备在与辊相邻的短距离范围内引起足够高的应变速率，以实现连续剥离最外卷的卷。 此外，该装置具有这样的几何形状，即在阻塞从而使卷筒纸分离点从卷筒周向移位的情况下，剥离角度增加。 这又增加了幅材上的应变引起的剥离力的效率，从而发生更多的正剥离。

公开(公告)号：US4022456A

公开(公告)日：1977-05-10

申请号：US595477

申请日：1975-07-11

申请人： Leonard C. Hooper ,  Gerald M. Weber

发明人： Leonard C. Hooper ,  Gerald M. Weber

IPC分类号： A61F13/49 ,  A61F13/15 ,  B26D1/38 ,  B26D5/42 ,  B65H45/16 ,  B65H45/28

CPC分类号： A61F13/15723 ,  A61F13/15585 ,  A61F13/15747 ,  B65H45/16

摘要： An interconnected web of disposable diapers containing a pair of continuous, stretched strands of elastic aligned generally parallel to the direction of web travel, is folded along its length from a substantially flat condition to produce a C-shaped, transverse cross-section by means of a conventional board and guide folder. The C-folded web is maintained under tension during the longitudinal folding operation to keep the continuous elastic strands in a stretched condition, and the web is cut transverse to the direction of web travel without releasing the tension in either the individual diapers cut from the web or in the advancing web. Means are provided for transversely folding the individual diapers cut from the web about their midpoints while maintaining the elastic strands associated therewith in a stretched condition and the diaper under positive control. Because the advancing web of interconnected diapers is maintained under positive control at all times, the individual diapers severed from the web are cut in register with respect to one another. This is of critical importance in situations where the web of interconnected disposable diapers is comprised of a plurality of discrete, interconnected diaper segments rather than a continuous web of disposable diaper material having a uniform cross-section throughout its length.

摘要翻译： 一个一次性尿布的相互连接的网状物，其包含一对连续拉伸的大致平行于幅材行进方向的弹性排列的股线，沿其长度从基本平坦的状态折叠，以通过以下方式产生C形的横向横截面： 常规板和指南文件夹。 在纵向折叠操作期间，C形折叠的卷筒纸保持张力，以将连续的弹性线条保持在拉伸状态，并且幅材横向于幅材行进的方向被切割，而不会从纸幅切割的各个尿布中释放张力 或在前进的网络中。 提供了用于横向折叠从幅材切割的各个尿布围绕其中点，同时在拉伸状态下保持与其相关联的弹性线，并且在正向控制下进行尿布的装置。 因为相互连接的尿布的前进网络始终保持在积极的控制之下，从网上切下的各个尿布被相对于彼此对准地被切割。 这在相互连接的一次性尿布的腹板由多个分立的相互连接的尿布段而不是整个整个长度具有均匀横截面的一次性尿布材料的连续腹板组成的情况下至关重要。