CN1111980A - 制造弹性粘贴绷带的方法 - Google Patents
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Abstract
由一种弹性的背衬材料制造粘贴绷带,是在粘结
垫附着在背衬材料上之前,通过降低背衬材料上的张
力而完成的。
Description
本发明涉及一种制造多层粘贴绷带的方法,其中的一层是弹性的,优选的是泡沫塑料。本发明尤其涉及制造含一层弹性泡沫背衬和一层粘贴地附加在背衬上的中央吸收垫的粘贴绷带的方法。
含有中央吸收垫区和邻接粘贴区的粘贴绷带的技术是已知的,且大多数用作伤口的急救敷料。现行的绷带一般含有在一面涂有压敏性的粘结剂的布或塑料的长条背衬材料,纱布垫或海绵垫在中心位置固定到粘结表面上,以便保护伤口。面向伤口的垫的表面可以涂上塑料或作其它处理,使吸收垫不致粘连在伤口上。盖有塑料的可释放条置于整个粘结区上,整个绷带密封包装并消毒,以便随时使用。
先前技术的粘贴绷带是以其两种基本组份的构成为特征:(1)涂有粘结剂的背衬材料和(2)保护伤口的吸收垫材料。该垫可以是干的或浸有各种杀菌剂或其它伤口处理药物的。吸收垫吸收和保持这类组份的容量在把这种材料加入绷带内的量上是一个限制因素。
先前技术的这类绷带在使用初期性能良好,但不久就逐渐***,且不能弯曲。因此,当用在关节的伤口上,如肘部的伤口,取决于肘部伤口的方向,绷带将不能充分地使它在整个运动的范围内伸展。也就是说当绷带敷设在肘部上,且它是弯曲的,当手臂完全伸直时,绷带将会脱离伤口,从而使必需加以保护的伤口暴露出来。此外,由于传统的生产方法为了提高生产率,在绷带的各层上施以过多拉伸力,这就使已有技术的绷带变薄,这种拉伸力往往会降低层厚。
在当今的现实世界上,人们要求能适应人体各部位的绷带,不论伤口在何处,它都能保护和缓冲伤口而不再受到伤害,直到愈合。这种绷带必不可少的特点是包括有一定程度的弹性,它允许伤口作全范围的运动,而仍然还保护住伤口。再有,这种绷带要有一定量的缓冲厚度,以保护伤口直到伤口愈合。
本发明的一个目的是提供一种改进的能满足以上讨论特点的粘贴绷带。本发明的这一目的和其它目的从本发明以下的说明书和权利要求书将得以明白。
所提供的用于制造一种弹性粘贴带绷带的方法包含的如下步骤:
(a)拉紧弹性的背衬材料层;
(b)松弛弹性的背衬材料层;
(c)在弹性背衬上安放一层吸收层,形成叠层片;以及
(d)将叠层片切成条。
含中央有***的吸收垫,并与从垫的每一侧边向外延伸的粘结部份相邻接的长条结构的粘结绷带是由弹性背衬材料制备的。***的吸收垫是放在绷带条的中央并由粘结剂加以固定。医用凝胶或其它材料可附着在绷带条上,并由***的吸收垫复盖,形成医用绷带。绷带条最好不要被压紧以保持***和具有吸收性能,但吸收垫可以加热使之变成光滑,以便有不沾连伤口的可揭去的表面。
按照本发明的绷带条可由其宽度等于所要求的绷带的总长度的第一种连续的背衬材料和宽度至少等于所要求的垫的大小的第二种连续垫材料方便地加以制成。背衬材料由一真空转鼓引进,在真空转鼓上,背衬材料的移动速度稍为增快一些。在真空鼓的下行程,背衬材料的速度随之减慢,以便材料的弹性能得到松弛。然后,如果需要,再可经过一个使医用凝胶或其它物质可附着在移动的条带中央的站(图中没有示出)。随后,垫才放在松弛的底层材料上。
贴上可揭去的粘性衬纸后,这一组合结构就送进一裁切站,按照背衬材料和垫的机器传送方向在其中进行横向的压纹痕或裁切成单独的粘贴绷带条。成型后的绷带就可进行包装和消毒。
用于制造符合本发明绷带的背衬层最好是一种在各个方向上都可弹性拉伸的弹性泡沫材料或薄膜。
图1是用于制造本发明的粘贴绷带条的工艺过程的透视简图;
图2是图1剖面线2-2处背衬材料的横截面透视图;
图3是图1剖面线3-3处背衬材料放上垫后的横截面透视图;
图4是图1剖面线4-4处背衬材料和垫放上可拆条之后的横截面透视图;
图5是图1剖面线5-5处背衬材料和垫经过裁切成窄条后的横截面透视图;
图6是图1剖面线6-6处弹性底层材料未卷绕在真空转鼓后的横截在图。
本发明的粘贴绷带条是由长度上连续的绷带材料,最好是弹性的泡沫或薄膜材料制造。绷带是由在背衬材料的整个中央区上放置最好由粘结剂固定的吸收垫,和放上可揭去的条制成的。这一叠层片然后沿机器的运动方向,按照所要求的绷带条的宽度被横向地裁切成条。制造绷带的有效工艺过程的描述可在美国专利US-4,622,089(Lauritzen)中找到,其全部内容在此引作参考。
符合有大的缓冲作用和可靠的安排弹性以及对人体的适应性要求特性的背衬材料是增塑的聚氯乙烯(PVC)泡沫材料。这一种材料在正在申请的美国专利_号(代理人登记号码是JBP-306)中有说明,该申请与本发明是同一代理人代理,其全部内容在此做为参考引入。许多不同类别的背衬材料都可在该工艺中应用,但最适用的是假密度为约30磅/英尺3,厚度约30密耳的由“Gaska,Tape,Inc.of Elhart,Indiana”出售的PVC弹性泡沫产品。为了简单起见,其余的说明请参考这一指定的弹性材料。同样,上面提出的正在申请专利中的各种材料也是适用的。
从弹性PVC泡沫材料连续卷筒进料制造粘贴绷带条的工艺过程通过参看图1至图6就可更好地理解。在图1,弹性背衬材料10,含有预制的弹性PVC泡沫材料,从卷筒8经过真空转鼓15引进,在转鼓处,弹性背衬材料10中的拉伸力得以减弱,这将在下面再详细说明。弹性背衬材料10然后经过导辊40。在这里,虽然图上没有示出,在背衬材料织物的中心线上可附着上医用凝胶或其它物质。从卷筒9引进的无纺垫织物11经过导辊41,该导辊可调节弹性背衬材料10同垫织物11之间凝胶所需的间隙。从卷筒18和19分别引进的可揭去的封纸32和33盖在含有垫织物11和弹性背衬材料10的叠层片上。可揭去的封纸最好沿整个布垫区域的织物中央处重叠。图4是组合材料放上可揭去的封纸之后的横截面视图。
组合材料然后经过一个截切站,其中的截切刀21和22将材料裁切成横窄条23。裁切下的窄条由皮带运输机24送到包装站(图上未示出),在消毒之前,这些单独的窄条被包装在密封袋中。裁切下的窄条23的横截面图再次示于图5。
为了保证绷带中的各层能够保持在一起,最好是采用粘结剂粘连。粘结最好采用连续自动涂粘法或其它方便的方法,以便在弹性背衬材料10的表面上连续地涂上一层粘结剂,使垫织物11和可拆封纸32和33粘连在其上。连续自动涂粘法在工艺上是已知的,例如美国专利US-4,622,089所述的就是直接涂抹粘胶的。
在一典型的制造过程中,为了达到最高产出率,组合材料是在一设定的速度下连续输入到裁切刀21和22中。在图1,供料辊子25和26提供必需的速度并控制组合材料制成绷带。这样供料辊子25和26是从卷筒8,9,18和19拉出绷带材料。供料辊子25和26最好是由计算机控制。因为背衬材料10是弹性的,如果供料辊子25和26上是单纯地从卷筒8拉出材料,由于拉伸力的关系,材料就只会简单地被轧扁,而材料上的张力在到达裁切台之前就不能释放。因此,如果没有真空转鼓15,制成的绷带就既不能裁切出准确的尺寸或者没有足够的弹性来适应伤口面积。
真空转鼓15是用来从卷筒8拉出弹性背衬材料,真空转鼓通过在背衬材料上施加真空(未示出)来“夹紧”材料。这样就可让弹性背衬材料从卷筒8拉出而不依赖于从卷筒9,18和19拉出的垫织物11和可拆封纸条32和33的速率的影响。通过调节真空转鼓15的电动机(未示出)的速度,就可能让弹性背衬材料10在连上垫织物11之前就释放张力。真空转鼓的运行速度最好使从卷筒8拉出的弹性背衬材料的速度比从卷筒9拉出的垫11的速度稍为快一些。这样就导致弹性背衬材料带上有一些松弛。这一松弛作用使材料的弹性能拉出材料时所形成的张力得以释放,以及使卷筒8脱离供料辊子25和26的影响。
真空转鼓15的速度最好由计算机控制,且弹性背衬材料10的速度最好比其它制造绷带的材料快5%至25%。更为优选的是使弹性背衬材料的速度快10%至15%。
请看图6,弹性背衬材料10与真空转鼓在0度至180度的弧形范围内接触。虽然,接触多少在本工艺的操作中并不严格。所需要的是真空转鼓让卷筒8释放由供料辊子25和26所引起的张力。真空转鼓是由一个外钻孔板围绕的内部压力通风***组成。该压力通风***的构造是让在所需要的弧长上让空气流经钻孔板而进入压力通风***夹住弹性背衬材料10。真空吸进空气的气流如箭头所示,再有,真空度的大小并不严格,只要通过几次试验就可确定。
如上所述,真空转鼓的速度的控制,是通过它的旋转速度,使从卷筒8拉出的弹性背衬材料10比供入过程中的形成绷带的其它材料的速度快。这样,弹性背衬材料10在经过其空转鼓后就得以松弛。这一松弛作用就可让弹性背衬材料10以最少的张力进入工艺过程的其余部份。
也可利用其它方法来释放由供料辊子25和26造成的张力。比如,可采用其它附加的供料辊子来代替真空转鼓15。不过,附加的供料辊子有趋向压紧弹性材料的倾向,留下较少的松散度,因此缓冲效果也就少了一些。
Claims (12)
1、一种制造弹性粘贴条绷带的方法,包含以下步骤:
(a)拉紧弹性的背衬材料层;
(b)放松该弹性背衬层;
(c)在弹性背衬层上放上吸收层,以形成叠层片;和
(d)把该叠层片裁切成条。
2、根据权利要求1的方法,其特征在于弹性绷带是由一连续生产过程制造的。
3、根据权利要求2的方法,其特征在于弹性背衬层和吸收层各由连续不断的条带供应。
4、根据权利要求2的方法,其特征在于弹性背衬层和吸收层是各自以条带供入的,吸收层条带运行在第一速度下,背衬层条带运行在第二速度下。
5、根据权利要求4的方法,其特征在于吸收层条带放在背衬层条带之前,背衬层条带是经过降低在背衬层条带上的张力释放的步骤。
6、根据权利要求4的方法,其特征在于吸收层条带放在背衬层条带之前,背衬层条带通过增高第二速度使之比第一速度快而得以松弛,然后降低第二速度使之比第一速度慢。
7、根据权利要求6的方法,其特征在于当第二速度增高时,它比第一速度高5%至25%。
8、根据权利要求6的方法,其特征在于当第二速度增高时,它比第一速度高10%至15%。
9、一种由一种弹性材料连续生产多个粘贴条绷带的方法,所说的绷带含有一长的背衬条和一个中心位于伤口上的吸收垫,所说的方法包含如下步骤:
(a)以所变化的速度,提供一种具有宽度相当于绷带要求长度的背衬条的第一连续材料来源,
(b)以第一速度提供一种宽度至少等于垫所要求长度的垫第二连续材料源,
(c)通过提高第一连续材料源的速度使之比第一速度为快,然后降低第一连续材料源的速度使之比第一速度为慢,以便背衬条材料能够松弛。
(e)使垫材料的宽度在背衬材料的宽度上对中。
(d)使垫材料固定在背衬材料上,由此形成叠层片,
(e)在叠层片上放上可拆开封条。
(f)沿背衬材料的宽度,将最终的组合材料切成窄条。
10、一种用于制造绷带的方法,含有一层弹性背衬层,一层吸收层和一层可揭去层,每一种材料都是用卷筒的方式供入,这一方法包括在一张力下从各自的卷筒中拉出弹性背衬层,吸收垫和可揭去层的装置,以及释放来自弹性背衬层卷筒拉出方法中的张力的装置,这一释放张力的装置可使弹性背衬层得以松弛。
11、一套制造绷带的装置,包括供应弹性背衬层的设备,供应吸收纱布垫的设备,一套从弹性背衬层供应设备和吸收纱布垫供应设备中拉出材料的供料设备,以及一套在供料设备和弹性背衬层供应设备之间的释放张力的设备。
12、一种由权利要求1的工艺过程所生产的产品。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US224,922 | 1988-07-27 | ||
US22492294A | 1994-04-08 | 1994-04-08 | |
US224922 | 1994-04-08 |
Publications (2)
Publication Number | Publication Date |
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CN1111980A true CN1111980A (zh) | 1995-11-22 |
CN1191798C CN1191798C (zh) | 2005-03-09 |
Family
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Application Number | Title | Priority Date | Filing Date |
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CN95105112.1A Expired - Fee Related CN1191798C (zh) | 1994-04-08 | 1995-04-08 | 制造弹性粘贴绷带的方法 |
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Country | Link |
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US (1) | US6174399B1 (zh) |
EP (1) | EP0676283B1 (zh) |
JP (1) | JP3647503B2 (zh) |
CN (1) | CN1191798C (zh) |
AT (1) | ATE181528T1 (zh) |
AU (1) | AU705069B2 (zh) |
BR (1) | BR9501514A (zh) |
CA (1) | CA2146495C (zh) |
DE (1) | DE69510397T2 (zh) |
DK (1) | DK0676283T3 (zh) |
ES (1) | ES2132529T3 (zh) |
GR (1) | GR3031344T3 (zh) |
Cited By (3)
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CN101628431B (zh) * | 2008-07-16 | 2012-08-08 | 日东电工株式会社 | 制造粘合贴片的方法 |
CN102802676A (zh) * | 2009-06-25 | 2012-11-28 | 3M创新有限公司 | 光活化抗微生物制品及其使用方法 |
CN105338939A (zh) * | 2013-06-20 | 2016-02-17 | 3M创新有限公司 | 拉伸剥离制品和紧固件 |
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AU2003209116A1 (en) * | 2002-02-11 | 2003-09-04 | Bayer Pharmaceuticals Corporation | Aryl ureas with angiogenesis inhibiting activity |
DE10301837A1 (de) * | 2003-01-20 | 2004-07-29 | Beiersdorf Ag | Verfahren zur Herstellung von Pflastern |
US7309399B2 (en) * | 2003-10-30 | 2007-12-18 | Sfs Intec Ag | System and method for manufacturing filling strips configured for use with a corrugated member |
US20070235139A1 (en) * | 2003-11-25 | 2007-10-11 | Takemasa Kawahara | Body Sticking Sheet |
CN100506530C (zh) * | 2006-06-12 | 2009-07-01 | 苏州市好护理医疗用品有限公司 | 一种粘性弹性绷带的制作方法 |
US8764922B2 (en) | 2011-02-08 | 2014-07-01 | Kimberly-Clark Worldwide, Inc. | Method of manufacturing a body adhering absorbent article orientated in the machine direction with reduced curl |
US8758547B2 (en) | 2011-02-08 | 2014-06-24 | Kimberly-Clark Worldwide, Inc. | Method of manufacturing a body adhering absorbent article orientated in the cross-machine direction with reduced curl |
IT201900001845A1 (it) | 2019-02-08 | 2020-08-08 | Tesmec Spa | Macchina di recupero di un cavo |
IT201900001841A1 (it) * | 2019-02-08 | 2020-08-08 | Tesmec Spa | Macchina di recupero di un cavo |
CN110370326A (zh) * | 2019-07-26 | 2019-10-25 | 于红梅 | 一种医用止血绷带的制备装置 |
CN110403759B (zh) * | 2019-08-30 | 2021-04-13 | 寻克娟 | 一种妇科用医疗绷带的制备装置 |
CN113749855B (zh) * | 2021-08-30 | 2022-08-05 | 福建恒安卫生材料有限公司 | 卫生用品用吸收芯体生产装置 |
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EP0109799B1 (en) * | 1982-11-12 | 1987-04-22 | Adolph Coors Company | Control stretch laminating device |
NZ207147A (en) * | 1983-02-28 | 1987-08-31 | Johnson & Johnson Prod Inc | Adhesive bandage containing medicinal substance: pad and base prepared from bulky, non-woven material |
US4622089A (en) * | 1983-02-28 | 1986-11-11 | Johnson & Johnson Products, Inc. | Method of making blister pad adhesive bandage |
IT1208727B (it) * | 1984-12-27 | 1989-07-10 | Colgate Palmolive Co | Ramento in materiali a nastro che dispositivo di controllo dello stivengono giuntati o laminati |
JPS62161363A (ja) * | 1986-01-10 | 1987-07-17 | ユニ・チヤ−ム株式会社 | 衣類に対する衛生物品の止着手段を設ける方法および装置 |
FR2615448B3 (fr) * | 1987-05-21 | 1989-10-27 | Manumousse Pleyel | Contrecolleuse a fonctionnement continu pour materiau complexe en bandes |
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-
1995
- 1995-04-06 CA CA002146495A patent/CA2146495C/en not_active Expired - Fee Related
- 1995-04-07 DE DE69510397T patent/DE69510397T2/de not_active Expired - Lifetime
- 1995-04-07 AT AT95302333T patent/ATE181528T1/de not_active IP Right Cessation
- 1995-04-07 DK DK95302333T patent/DK0676283T3/da active
- 1995-04-07 JP JP10709995A patent/JP3647503B2/ja not_active Expired - Fee Related
- 1995-04-07 EP EP95302333A patent/EP0676283B1/en not_active Expired - Lifetime
- 1995-04-07 AU AU16328/95A patent/AU705069B2/en not_active Ceased
- 1995-04-07 ES ES95302333T patent/ES2132529T3/es not_active Expired - Lifetime
- 1995-04-08 CN CN95105112.1A patent/CN1191798C/zh not_active Expired - Fee Related
- 1995-04-10 BR BR9501514A patent/BR9501514A/pt not_active IP Right Cessation
-
1998
- 1998-10-22 US US09/177,478 patent/US6174399B1/en not_active Expired - Lifetime
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1999
- 1999-09-01 GR GR990402206T patent/GR3031344T3/el unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101628431B (zh) * | 2008-07-16 | 2012-08-08 | 日东电工株式会社 | 制造粘合贴片的方法 |
CN102802676A (zh) * | 2009-06-25 | 2012-11-28 | 3M创新有限公司 | 光活化抗微生物制品及其使用方法 |
CN105338939A (zh) * | 2013-06-20 | 2016-02-17 | 3M创新有限公司 | 拉伸剥离制品和紧固件 |
Also Published As
Publication number | Publication date |
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EP0676283A2 (en) | 1995-10-11 |
US6174399B1 (en) | 2001-01-16 |
BR9501514A (pt) | 1995-11-07 |
JP3647503B2 (ja) | 2005-05-11 |
AU705069B2 (en) | 1999-05-13 |
DK0676283T3 (da) | 1999-11-22 |
EP0676283A3 (en) | 1995-12-27 |
ES2132529T3 (es) | 1999-08-16 |
CA2146495A1 (en) | 1995-10-09 |
GR3031344T3 (en) | 1999-12-31 |
CN1191798C (zh) | 2005-03-09 |
EP0676283B1 (en) | 1999-06-23 |
DE69510397D1 (de) | 1999-07-29 |
CA2146495C (en) | 2006-06-27 |
AU1632895A (en) | 1995-10-19 |
ATE181528T1 (de) | 1999-07-15 |
DE69510397T2 (de) | 2000-01-05 |
JPH0838545A (ja) | 1996-02-13 |
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