发明名称 |
Method and apparatus for making an apertured web |
摘要 |
A method for making apertures in a web comprising providing a precursor web material; providing a pair of counter-rotating, intermeshing rollers, wherein a first roller comprises circumferentially-extending ridges and grooves, and a second roller comprises teeth being tapered from a base and a tip, the teeth being joined to the second roller at the base, the base of the tooth having a cross-sectional length dimension greater than a cross-sectional width dimension; and moving the web material through a nip of the counter-rotating, intermeshing rollers; wherein apertures are formed in the precursor web material as the teeth on one of the rollers intermesh with grooves on the other of the rollers. |
申请公布号 |
US8241543(B2) |
申请公布日期 |
2012.08.14 |
申请号 |
US20050249618 |
申请日期 |
2005.10.13 |
申请人 |
O'DONNELL HUGH JOSEPH;TURNER ROBERT HAINES;BREIDENBACH VINCENT SEAN;BENSON DOUGLAS HERRIN;MULLANE TIMOTHY IAN;MCAFFRY KAREN DENISE;HAMMONS JOHN LEE;ARORA KELYN ANNE;THE PROCTER & GAMBLE COMPANY |
发明人 |
O'DONNELL HUGH JOSEPH;TURNER ROBERT HAINES;BREIDENBACH VINCENT SEAN;BENSON DOUGLAS HERRIN;MULLANE TIMOTHY IAN;MCAFFRY KAREN DENISE;HAMMONS JOHN LEE;ARORA KELYN ANNE |
分类号 |
B28B1/48;B26F1/18;B26F1/20;B26F1/24;B29C55/18;B29C59/02;B29C59/04 |
主分类号 |
B28B1/48 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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