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CN1213935C - 可伸展且可盘卷片材 - Google Patents

可伸展且可盘卷片材 Download PDF

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CN1213935C
CN1213935C CNB99807019XA CN99807019A CN1213935C CN 1213935 C CN1213935 C CN 1213935C CN B99807019X A CNB99807019X A CN B99807019XA CN 99807019 A CN99807019 A CN 99807019A CN 1213935 C CN1213935 C CN 1213935C
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CN1304378A (zh
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A·J·达托恩－洛维特
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Rollaqubar Tech Co Ltd
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Abstract

本发明揭示了一种可在盘卷状态与伸展状态之间可逆成形的可伸展且可盘卷片材，其中，在片材的至少一个表面上设有一个或多个弹性凸出部分，该弹性凸出部分与片材一体成形或者沿着片材的程度附着在至少多个部分上，以便当片材伸展成伸展状态时，该凸出部分或各个凸出部分呈现出自片材的表面突出的第一状态，并且当片材滚卷成盘卷状态时，该凸出部分或各个凸出部分弯曲以致位于盘卷片材的各圈之间。

Description

可伸展且可盘卷片材
技术领域
本发明涉及一种可伸展且可盘卷片材。
背景技术
在其整个内容援引在此以作参考的WO-A-88/08620或WO-A-97/35706中揭示了可在盘卷状态与伸展状态之间可逆成形的可伸展且可盘卷片材。图1中示出了此类片材1的一例的立体图，其中的片材1部分呈盘卷状态1a，而部分呈伸展状态1b。
发明内容
本发明提供了一种可在盘卷状态与伸展状态之间可逆成形的可伸展且可盘卷片材，其特点在于，在所述片材的至少一个表面上设有一个或多个弹性凸出部分所述弹性凸出部分与所述片材一体成形或者沿着所述片材的程度附着在至少多个部分上，以便当所述片材伸展成伸展状态时，所述凸出部分或各个凸出部分呈现出自片材的表面突出的第一状态，并且当所述片材滚卷成盘卷状态时，所述凸出部分或各个凸出部分弯曲以致位于盘卷片材的各圈之间。
较佳地，所述表面为内表面，并且当所述片材处于其伸展状态时，所述凸出部分或各个凸出部分自所述片材向内突出。
较佳地，所述表面为外表面，并且当所述片材处于其伸展状态时，所述凸出部分或各个凸出部分自所述片材向外突出。
较佳地，所述片材的内和外表面上各设有至少一个凸出部分，当所述片材处于其伸展状态时，所述内表面上的所述凸出部分或各个凸出部分自所述片材向内突出，并且所述外表面上的所述凸出部分或各个凸出部分自所述片材向外突出。
较佳地，还包括第二可伸展且可盘卷片材，所述片材具有附着在第一片材的所述凸出部分或至少一个凸出部分的自由端上的一表面，这样所述第二片材就能在盘卷状态时位于所述第一片材的各圈之间，而在伸展状态时则籍由所述弹性凸出部分而与第一片材的表面相分离。
较佳地，所述凸出部分或至少一个凸出部分是沿着所述可伸展片材的整个或者部分长度延伸的片状部分。
较佳地，所述一个或多个弹性凸出部分的一个末端附着在某个其它部件、电缆、光导纤维或其它装置上，当所述片材处于盘卷状态时，其它部件、电缆、光导纤维或其它装置位于该卷的间隙内，而在伸展时则与片材的表面相分离，并藉由所述一个或多个弹性凸出部分而与所述内或外表面保持分离。
附图说明
以下结合附图，以举例方式对本发明的实施例进行描述，在这些附图中：
图1是可在盘卷状态与伸展状态之间可逆成形的可伸展且可盘卷片材的立体图，示出了该片材部分呈盘卷状态，部分呈伸展状态；
图2是本发明片材的第一例呈伸展状态时的端视图；
图3是图2所示片材呈盘卷状态时的局部剖视图；以及
图4是具有内外表层(skin)的本发明片材的第二例的端视图。
具体实施方式
请参阅图2，图中示出了本发明片材2的第一例的端视图。该片材2可在盘卷状态与伸展状态之间可逆成形。图2示出了片材2处于其伸展状态2a。该片材2可根据WO-A-88/08620或WO-A-97/35706的原理来构制，或者可呈任何其它适当的形式。
在图示例中，片材2的内表面设有若干弹性凸出部分2b。该凸出部分2b可为沿着伸展片材2的整个长度或大致整个长度或仅仅部分长度延伸的长片状部分。例如，围绕片材2的内表面彼此以120°间隔设置的三个这种类型的长凸出部分2b。或者，凸出部分2b可呈现短翅片组的形式，这些短翅片等角地成组设置，并且若干个该组沿着伸展的片材2的整个长度或大致整个长度或仅仅部分长度有间隔地反复设置。这些组可设置成：从末端看，许多翅片2b全部彼此重叠，或者该组或某些组可彼此偏置，以使该翅片或者某些翅片2b沿着伸展件2的长度在角度方向隔开。
凸出部分2b沿着片材2的长度形成许多间隔，以便例如当片材2环绕一管子或其它伸展物体展开时，该凸出部分2b可用于使片材2保持与管子或其它物体的外表面相分离的状态，由此该片材2可向该管子或其它物体提供护套。
当片材2从其伸展状态2a盘卷成其盘卷状态时，凸出部分2b由于其弹性而弯曲，并由此变形而位于盘卷片材2的各圈3之中，如图3所示。类似地，当片材2从其盘卷状态滚卷成其伸展状态2a时，凸出部分2b向外弯曲成其伸展形态。
如果需要的话，可使凸出部分2b位于形成在可伸展片材2的表面内的空腔中，这样当片材2处于其盘卷状态时，这些凸出部分就不会增加片材2的厚度。
凸出部分2b可由与可伸展片材2的主体2a相同的材料制成，或者可由不同的材料制成。该凸出部分2b可与可伸展片材2的主体2a一体成形，或者可籍由包括例如胶合或焊接在内的任何适当的手段附着到该主体上。较佳地，凸出部分2b在它们与主体2a的接触点处成一锐角，以便于片材2滚卷成其盘卷状态。类似地，如图所示，凸出部分2b较佳地以曲线状态离开主体2a的表面。
如图4所示，此类片材2可与WO-A-88/08620或WO-A-97/35706中所揭示的类型、或者任何其它适当类型的另一个可伸展片材结合在一起，以构成在伸展时形成一种具有双表层的片材4的一片材，它的内层和外层或表层4a，4b籍由弹性凸出部分4c所分离。该凸出部分4c可固定在内外表层4a，4b的其中之一或两者上、或者与其一体成形。
当从伸展状态滚卷成盘卷状态时，两个表层4a，4b一起滚卷，同时弹性凸出部分4c弯曲，以使这两个表层在盘卷时能够靠拢。在这种情况下，提供内外表层4a，4b的可伸展片材的拉伸及压缩挠性较佳地允许它们一起滚过所需的长度。以这种方式可附加任意数量的可伸展片材，以形成具有多表层的片材。
当在管子或其它物体上展开成为护套时、或者在例如上述结构的具有多表层的装置的情况下，形成在可伸展片材2与在其上或围绕其放置它的物体之间的一个或多个空腔、或者位于具有双或多表层的片材4的表层4a，4b之间的一个、部分或所有的空腔内可充填泡沫材料或其它材料，以便隔热、隔声和/或电绝缘、和/或抵抗冲击、和/或增加刚度。
需要的话，任何可伸展片材的边缘可籍由诸如焊接、拉链型连接等之类任何所需的手段暂时或永久性地进行连接或密封。当在具有多表层的装置4的表层边缘上进行密封的情况下，形成一同心管，以便能进行分别的或可逆的流动。
需要的话，可将能承受滚卷的电缆、光导纤维、加热元件或任何其它装置装入到一个或多个可伸展片材内。
本发明将证明在设置用于保护管线或其它结构的绝缘或加热护套方面特别实用，该护套可在设置、或者对现有装备进行改装的同时展开在管线上，从而提供一保护性绝缘护套，它还可安装用于监视管线状态的装置。
已具体参照图示例描述了本发明的一个实施例。然而，应当意识到的是，在本发明的范围内，还可对本发明进行多种改变及变形。例如，凸出部分2b可设置在片材2的外表面上，以便向外突出。凸出部分2b可同时设置在片材的内外表面上，以便分别向内、外突出。

Claims (11)

1.一种可在盘卷状态与伸展状态之间可逆成形的可伸展且可盘卷片材，其特征在于，在所述片材的至少一个表面上设有一个或多个弹性凸出部分，所述弹性凸出部分与所述片材一体成形或者沿着所述片材的程度附着在至少多个部分上，以便当所述片材伸展成伸展状态时，所述凸出部分或各个凸出部分呈现出自片材的表面突出的第一状态，并且当所述片材滚卷成盘卷状态时，所述凸出部分或各个凸出部分弯曲以致位于盘卷片材的各圈之间。
2.如权利要求1所述的片材，其特征在于，所述表面为内表面，并且当所述片材处于其伸展状态时，所述凸出部分或各个凸出部分自所述片材向内突出。
3.如权利要求1所述的片材，其特征在于，所述表面为外表面，并且当所述片材处于其伸展状态时，所述凸出部分或各个凸出部分自所述片材向外突出。
4.如权利要求1所述的片材，其特征在于，所述片材的内和外表面上各设有至少一个凸出部分，当所述片材处于其伸展状态时，所述内表面上的所述凸出部分或各个凸出部分自所述片材向内突出，并且所述外表面上的所述凸出部分或各个凸出部分自所述片材向外突出。
5.如权利要求1-4中的任何一项权利要求所述的片材，其特征在于，还包括第二可伸展且可盘卷片材，所述片材具有附着在第一片材的所述凸出部分或至少一个凸出部分的自由端上的一表面，这样所述第二片材就能在盘卷状态时位于所述第一片材的各圈之间，而在伸展状态时则籍由所述弹性凸出部分而与第一片材的表面相分离。
6.如权利要求1-4中的任何一项权利要求所述的片材，其特征在于，所述凸出部分或至少一个凸出部分是沿着所述可伸展片材的整个或者部分长度延伸的片状部分。
7.如权利要求5所述的片材，其特征在于，所述凸出部分或至少一个凸出部分是沿着所述可伸展片材的整个或者部分长度延伸的片状部分。
8.如权利要求1-4中的任何一项权利要求所述的片材，其特征在于，所述一个或多个弹性凸出部分的一个末端附着在某个其它部件、电缆、光导纤维或其它装置上，当所述片材处于盘卷状态时，其它部件、电缆、光导纤维或其它装置位于该卷的间隙内，而在伸展时则与片材的表面相分离，并藉由所述一个或多个弹性凸出部分而与所述内或外表面保持分离。
9.如权利要求5所述的片材，其特征在于，所述一个或多个弹性凸出部分的一个末端附着在某个其它部件、电缆、光导纤维或其它装置上，当所述片材处于盘卷状态时，其它部件、电缆、光导纤维或其它装置位于该卷的间隙内，而在伸展时则与片材的表面相分离，并藉由所述一个或多个弹性凸出部分而与所述内或外表面保持分离。
10.如权利要求6所述的片材，其特征在于，所述一个或多个弹性凸出部分的一个末端附着在某个其它部件、电缆、光导纤维或其它装置上，当所述片材处于盘卷状态时，其它部件、电缆、光导纤维或其它装置位于该卷的间隙内，而在伸展时则与片材的表面相分离，并藉由所述一个或多个弹性凸出部分而与所述内或外表面保持分离。
11.如权利要求7所述的片材，其特征在于，所述一个或多个弹性凸出部分的一个末端附着在某个其它部件、电缆、光导纤维或其它装置上，当所述片材处于盘卷状态时，其它部件、电缆、光导纤维或其它装置位于该卷的间隙内，而在伸展时则与片材的表面相分离，并藉由所述一个或多个弹性凸出部分而与所述内或外表面保持分离。
CNB99807019XA 1998-06-04 1999-05-28 可伸展且可盘卷片材 Expired - Fee Related CN1213935C (zh)

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DE69910388D1 (de) 2003-09-18
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EP1091902A1 (en) 2001-04-18
AU753584B2 (en) 2002-10-24
EP1091902B1 (en) 2003-08-13
ES2205900T3 (es) 2004-05-01
AU4274099A (en) 1999-12-20
GB9812057D0 (en) 1998-08-05
WO1999062812A1 (en) 1999-12-09
NO20006058D0 (no) 2000-11-29
NO315901B1 (no) 2003-11-10
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CA2375639A1 (en) 1999-12-09
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