CN1139415A - 泡沫料配送喷枪 - Google Patents
泡沫料配送喷枪 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
- B05B1/3033—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head
- B05B1/304—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve
- B05B1/3046—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice
- B05B1/3066—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice the valve element being at least partially hollow and liquid passing through it when the valve is opened
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/002—Manually-actuated controlling means, e.g. push buttons, levers or triggers
- B05B12/0022—Manually-actuated controlling means, e.g. push buttons, levers or triggers associated with means for restricting their movement
- B05B12/0024—Manually-actuated controlling means, e.g. push buttons, levers or triggers associated with means for restricting their movement to a single position
- B05B12/0026—Manually-actuated controlling means, e.g. push buttons, levers or triggers associated with means for restricting their movement to a single position to inhibit delivery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0408—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing two or more liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7404—Mixing devices specially adapted for foamable substances
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7438—Mixing guns, i.e. hand-held mixing units having dispensing means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
- B05B7/1209—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages the controlling means for each liquid or other fluent material being manual and interdependent
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
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Abstract
一泡沫料配送喷枪,具有带手柄(11)的枪体(10)。枪体具有两个通路(12、13),通路通过中间腔分成前部和后部。在各通路的后部内装有软管接头和鸭嘴形单向阀(25),阀件(31)穿过通路的前部和后部。阀件具有圆锥形针状阀(35)以与直接通向枪体前端(40)的圆锥形阀座(37)配接。扳机杆(51)在腔体内作转动安装,并与阀件连接以开启和关闭阀门。通过从枪体伸出的凸耳(72)和与之接合的弹性支臂(71)绕枪体前端安装具有混合腔(66)和喷出口(67)的一次使用喷嘴(65)。
Description
本发明涉及配送喷枪,更具体地说,涉及与某些装置配合使用的喷枪,分别存放在加压容器内的两种以上的流体成分在喷枪内混合而作为一种可固化的泡沫料从喷枪内配送出去。
已知有手动操作的用以配送可固化的尿烷泡沫料的喷枪。分开的各流体成分分别供送到喷枪,各自通过控制阀,在到达一喷嘴的混合腔时才彼此接触,混合的成分就从喷嘴内作为泡沫料喷出。这种喷枪的实例可见之于Gary Harding的美国专利4,311,254和4,399,930以及Steven Palmert的美国专利4,762,253。
一般将两种流体成分称为“树脂A”和“树脂B”。这两种成分一般分别由聚合异氰酸酯和多烃基胺构成。这两种成分分别装在两个加压容器内,通过软管接到喷枪的两个入口。在使这两种流体成分或树脂混合时,混合体很快就固化而形成坚硬的泡沫制品,这种制品大体上不可溶解而极难将其从与其接触的表面上除去。这两种成分是先在枪的喷嘴内混合的,因此,枪的喷嘴一般设计成可更换的而且是一次使用,这样就可不必再清理喷嘴。
由于这两种成分的混合体很快就固化,这就必须使其在枪内保持彼此分开,只是在一次使用的喷嘴的混合腔内才彼此接触。这两种成分一般在其各自的存放容器内处于不同的压力下。如果喷嘴受堵而枪的阀门是打开的,压力较高的流体就会接触压力较低的流体,从而引直起枪内树脂的固化,便喷枪无法使用。
作为成分中之一的“树脂A”暴露在空气中就会固化。即使枪阀是关闭的,枪内的“树脂A”也有可能接触空气而固化。这种问题以往是在枪内“树脂A”一侧加设一溶剂冲洗口来处理的如Clifford J.Finn的美国专利4,516,694所述。
本发明的主要目的是提供一种泡沫料配送喷枪,使枪内成分不致固化,从而使喷枪可重复使用。
本发明的另一目的是提供一种泡沫料配送喷枪,使枪内一种成分不致流窜到另一种成分中,并使枪内任一成分也不致受到空气作用而固化。
本发明的再一目的是提供一种泡沫料配送喷枪,使其具有一次使用的喷嘴,使喷嘴的装卸方便、简捷。
按本发明,泡沫料配送喷枪枪体具有一对纵向通路,通路从一端的相应入口通向另一端的阀座,这另一端通向枪体的前端。喷嘴在刚好越过阀座的地方与枪体连接,而在阀座和喷出口之间具有一混合腔。在各通路内设有一阀件。各阀件具有一与阀座配接的前部和一封闭通路的后部。各阀件具有一内通道以与相应通路的入口作流体连通,而此内通道的终端具有离阀门部分不远的出口。一密封圈使出口以及阀门部分与通路的其余部分作密封隔开。阀件在其关闭状态下紧贴在阀座上。阀件可用手使其移动而开启,从而使与通路入口连通的流体成分进入混合腔。
在此优选实施例中,阀座成圆锥形而阀件前部则形成配接的圆锥形针状阀。弹簧使阀件处于常闭状态。
在此优选实施例中,一对阀件通过单个手动操作的扳机予以开启,此扳机的一个杆件在枪的腔体内作转动安装,腔体将通路分成前后两部。阀件穿越腔体而对通路的前后两部进行密封。扳机在腔体内与阀件连接。杆件从枪体向下延伸而与装在枪体上的手柄相对。
在本发明中,将一单向阀装在各通路内入口和相应阀件之间。最好采用鸭嘴形单向阀。
在本发明中,喷嘴可从枪体上卸下。枪体的一对凸耳从枪体相对两侧伸出,喷嘴的一对弹性支臂在将喷嘴装上枪体时与凸耳接合,但在压下弹性支臂时可从凸耳中脱出。
本发明以上和另外一些目的和优点在以下按示有本发明优选实施例的附图所作具体说明中会显现出来。
图1为本发明泡沫料配送喷枪的立面图。
图2为图1中沿2-2线的水平剖面图。
图3为图2中沿3-3线的垂直剖面图。
图4为图2中沿4-4线的局部垂直剖面放大图。
图5为类似于图4的剖面图,但示出处于开启状态下的阀件。
图6为图1中沿6-6线的安全机构第一实施例局部水平面剖面图。
图7为类似于图6的剖面图,但示出处于松开状态下的安全机构。
图8为安全机构第二实施例局部立面图,示出其安全卡紧状态。
图9为类似于图8的立面图,但示出处于松开状态下的安全机构第二实施例。
图10为图8和9中安全机构的局部放大剖面图。
如图1-5所述,泡沫料配送喷枪具有枪体10,其手柄11与枪体10连成一体。枪体10和手柄11可用合成树脂料模制。枪体10具有一对纵向平行的通路12、13。通路12、13通过一中间腔14分成前部和后部。通路12、13的后部装有黄铜接头15,接头具有带筋端部,用以装上与流体成分加压容器连接的软管,流体成分用以构成泡沫料。接头15用固定螺钉16装在枪体10内,螺钉相对于通路12、13作横向延伸而进入接头15的环形凹槽17内。各接头15在枪体10内具有一第二环形凹槽18。在第二凹槽18内装有一密封圈19,用以密封通路12或13的后部。
黄铜衬套22装在通路12、13内接头15的前面。衬套22的环形凹槽装有密封圈24,用以密封通路12、13的后部。
如图4所示,接头15是空心的,并构成来自容器的流体成分的入口。衬套22也是空心的,并在其中心装有鸭嘴形阀25。鸭嘴形阀25用橡胶或其他弹性材料制成而起到单向阀的作用,用以使压力下的流体进入通路12或13。鸭嘴形阀25在从外面加上较高的背压时就关闭而封闭入口。
各衬套22压靠在盘簧26上,盘簧压靠在相应接头15的一端上,因而使衬套22在通路12或13内向内压向凸肩27。在通路12、13内装有螺旋簧30。螺旋簧的一端压靠相应衬套22的一端。其另一端压靠也装在通路12、13内的黄铜针状阀件31的端部。
针状阀件31跨越腔体14装在通路12、13的前后两部内。在针状阀件31后部的一径向凹槽32内装有用以密封通路12或13后部的密封圈33。各阀件31的前部形成一圆锥形针状阀35,并具有圆柱形末端36。圆锥形针状阀35和末端36与位于枪体10内通路12、13前端、并具有一圆柱形延伸段38的圆锥形阀座37配接。
阀座37直接穿过枪体10前端40的前面部。阀件31在圆锥形针状阀35后面具有一环形凹槽39。在凹槽39内装有密封圈41,用以在阀门关闭时密封针状阀35和圆锥形阀座37的接合部分如图4所示。在阀件31的另一环形凹槽45内装有密封圈46,用以密封通路12、13的前部。
在腔体14内装有构成扳机杆51顶部的叉架50。叉架50的一对支臂52在其端部具有装在枪体10两侧孔54内的侧向凸体53以便转动如图3所示。叉架50的中部肋体55和支臂52构成两个隔开的支座56,用以装入位于阀件31两端之间的颈缩部分57。簧30使阀件31的针状阀35向前压靠在阀座37上处于常闭状态。扳机杆51可转动而使阀件31顶着弹簧30的作用力退缩而使阀门开启。
各阀件31中的内通道60在其末端密封圈41和46之间具有一通向阀件表面的横向出61。如图5所示,在扳机杆52使阀门开启时,流体可从加压容器通过阀件31内的中心通道60流出出口61,经阀座37而流出枪体10的前端40。密封圈46阻止流体沿通路12或13流向后面。在关闭阀门时,圆锥形针状阀就将泡沫料挤出阀座。针状阀紧贴在阀座上再加上密封圈41的作用就可密封通路内部而防止空气接触通路内的流体树脂。
一次使用的喷嘴65装在喷枪的前面。喷嘴65的中空内部构成混合腔66和喷出67。一具有已知结构的螺旋状静止混合器68装在混合腔66内。混合腔66后面的一扩大的筒形部分69围着枪体10的前端40而通过密封圈70密封前端。一对弹性支臂71沿喷嘴两侧从扩大的筒形部分69向后延伸。弹性支臂71用以与从枪体10靠近前端40的相对两侧伸出的凸耳72接合。弹性支臂71靠近其端部的弧形部分73具有一槽口74,用以与凸耳72配接。喷嘴可使其弹性支臂71沿凸耳72下面滑移而快装在枪体10上。弧形部分73可对支臂71起引导作用而使其易于滑进凸耳72直至槽口74与凸耳72接合。喷嘴65可方便地将其卸下,这只需用手压下支臂71的弧形部分73使槽口74从凸耳72中松脱而使支臂71滑出凸耳72。
静止混合器68具有一位于喷嘴扩大的筒形端部69内两阀座37之间的壁体76,使两种流体成分不致在前端40处立即进行完全的混合,如喷嘴65为泡沫料所堵而不予更换,再开启阀门就会迫使压力较高的流体从混合腔通过另一成分的阀座向相反方向流动。鸭嘴形阀25就阻止这种交叉的污染和接触以免两种成分在枪内就固化。
一安全机构用以防止扳机的偶然突发移动。在一个实施例中,安全机构具有杆80,其球形端部81撑在扳机杆51内的凹槽82中。杆80装在手柄10内的孔83中,其端部具有一横把84。弹簧85装在由一扩孔87形成的凸肩86和杆80上的凸肩88之间。杆80可在一如图7所示非工作位置和一如图6所示工作位置之间移动,在非工作位置上,杆件并不限制扳机的动作,在工作位置上,弹簧85受压缩,杆件80移到使横把84可卡在支座89上的位置上,支座从枪柄11向后伸出。在工作位置上,可防止扳机杆移动,喷枪锁定在关闭位置上。
另一种安全机构示于图8-10。这种机构的第二杆件91以其一端装在扳机杆51的下端。螺旋簧92装在杆91和扳机杆51的连接部分内,以其延伸端93、94压靠在扳机杆51和安全杆91内侧上而起有使两杆张开的作用。在两杆张开时,安全杆91卡在枪柄11上以阻止扳机杆的移动。在将安全杆91向上移动时,安全机构即可松开。
Claims (26)
1.一种泡沫料配送喷枪,具有:
一枪体,具有一对纵向通路,各通路在其一端具有一入口,用以与一加压流体成分源连接,各通路在其另一端还具有一圆锥形阀座,阀座通向枪体的一前端;
一喷嘴,与枪体连接而围住其前端,喷嘴具有一喷出口和一混合腔,此腔位于前端和喷出口之间;
一阀件,设于各通路内,各阀件具有一带圆锥形外表面的针状前部和一密封相应通路的后部,各阀件还具有一与其相应通路入口作流体连通的内通道,在内通道终端靠近针状部分设有一出口;
一弹簧,使各阀件处于使针状部分紧贴相应阀座的关闭状态;
一用手操作的扳机,用以使阀件顶着弹簧的作用力移到开启位置上。
2.按权利要求1所述配送喷枪,其中:各针状部分具有一从针状部分尖端伸出的圆柱形部分,阀座具有从阀座的圆锥形部分伸出的配接圆柱形开口,开口通向喷嘴的混合腔。
3.按权利要求1所述配送喷枪,还具有一单向阀,装在各通路内,位于入口和一相应阀件之间。
4.按权利要求3所述配送喷枪,其中:单向阀为一鸭嘴形阀。
5.按权利要求1所述配送喷枪,还具有一手柄,装在枪体上,其中:用手操作的扳机具有一相对于枪体转动的杆,此杆在针状部分和后部之间与阀连接,所述杆与手柄相对。
6.按权利要求1所述配送喷枪,其中:喷嘴可以从枪体上卸下。
7.按权利要求6所述配送喷枪,其中:枪体具有一对从其相对两侧伸出的凸耳,喷嘴具有一对在将喷嘴装上枪体时可与凸耳接合的弹性支臂,但在压下弹性支臂时可使支臂从凸耳中脱出。
8.按权利要求1所述配送喷枪,还具有一密封圈,位于各阀件针状部分的圆锥形表面和出口之间,用以在阀件处于关闭状态时相对于出口密封针状部分的圆锥形表面和阀座的连接部分。
9.按权利要求8所述配送喷枪,其中:密封圈装在圆锥形部分后部环形凹槽内。
10.按权利要求8所述配送喷枪,还具有一密封圈,绕阀件装在出口后面,用以密封相应通路。
11.一种泡沫料配送喷枪,具有:
一带有手柄的枪体,具有一对纵向平行的通路,各通路具有一前部和一后部,中间隔有一通向枪体底部的腔体,各通路前部的终端具有一位于枪体的一前端内的阀座,后部则构成一流体成分的入口;
一可卸喷嘴,绕前端与枪体连接,具有一位于阀座以外的混合腔和一喷出口;
一对阀件,跨越腔体装在各通路内,各阀件具有一贴靠在相应阀座上的前部;
前后密封圈,用以在各阀件与相应通路的前部以及后部之间都加以密封;
各阀件具有一与相应通路作流体连通的中心通道,在其终端设有一位于前密封圈前面的出口;
一扳机杆,装在枪体的腔体内,与阀件连接以便阀件相对于阀座在开启和关闭位置之间移动。
12.按权利要求11所述配送喷枪,其中:各阀件的阀部为一针状阀,具有一圆锥形表面,各阀座具有一圆锥形配接表面。
13.按权利要求12所述配送喷枪,还具有一密封圈,位于各阀件的针状部分和开口之间,用以在阀件处于关闭状态时相对于开口密封针状部分的圆锥形表面和阀座的连接部分。
14.按权利要求1所述配送喷枪,其中:扳机杆的一叉架具有分开的支臂,支臂具有侧向凸体,凸体装在枪体腔体两侧的开口内以便转动扳机杆。
15.按权利要求14所述配送喷枪,其中:扳机杆与手柄相对,在杆和手柄之间装有一可松开的安全机构,用以防止扳机杆移动而开启阀件。
16.按权利要求11所述配送喷枪,还具有一装在各通路后部内的空心接头,用以装接一通向加压流体源的软管。
17.按权利要求16所述配送喷枪,还具有一单向阀,装在通路内,位于接头和阀件之间。
18.按权利要求17所述配送喷枪,其中:单向阀为一鸭嘴形阀,装在一衬套内,在衬套与通路之间进行密封。
19.按权利要求18所述配送喷枪,还具有一压缩弹簧,装在各通路内,位于衬套和阀件之间,用以使阀件处于关闭状态。
20.按权利要求11所述配送喷枪,其中:枪体具有一对从枪体两侧伸出的凸耳,喷嘴具有一对弹性支臂,支臂可在将喷嘴装上枪体时与凸耳接合,但在压下弹性支臂时可从凸耳中脱出。
21.在一泡沫料配送喷枪内,通过枪体的前端可喷射两种流体成分,枪体上装有一次使用的一喷嘴,其中:改进部分包括:
枪体具有一对从相对两侧伸出的凸耳,喷嘴具有一对弹簧支臂,支臂在将喷嘴装上枪体时可与凸耳接合,但在将支臂压向枪体时可从凸耳中脱出。
22.按权利要求21所述配送喷枪,其中:各凸耳具有一开口,支臂可从中空过,各支臂的一弧形端部在将喷嘴装上枪体时可插入一凸耳而对支臂起向内引导的作用,各支臂还具有一槽口,用以在将喷嘴装上枪体时装入相应凸耳。
23.一泡沫料配送喷枪,具有:
一枪体,具有一对分开的纵向通路,各通路在一端具有一入口,用以与一加压流体成分源连接,各通路在另一端通向枪体的一前端;
一喷嘴,绕前端与枪体连接,在前端两纵向通路开口之间具有一壁体,还具有位于壁体和喷出口之间的混合腔。
24.按权利要求23所述配送喷枪,其中:喷嘴可从枪体上卸下。
25.在一泡沫料配送喷枪内,一枪体前端具有一对分开的开口,两种流体成分可相应地从中喷出,其中:改进部分包括:
喷嘴具有一绕前端配接的入口,还具有一壁体,壁体在两开口之间横过前端,喷嘴还具有一喷出口和一位于壁体和喷出口之间的混合腔。
26.一装在一泡沫料配送喷嘴前端的可卸喷嘴,通过一对分开的开口可从喷嘴中喷出两种流体成分,喷嘴具有:
一入口端,用以与喷枪的前端配接,具有一横过前端在两开口之间设置的壁体;
一出口端;
一混合腔,位于壁体和出口端之间。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/219,151 US5462204A (en) | 1994-03-29 | 1994-03-29 | Foam dispensing gun |
US08/219,151 | 1994-03-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1139415A true CN1139415A (zh) | 1997-01-01 |
CN1046485C CN1046485C (zh) | 1999-11-17 |
Family
ID=22818094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN95191321A Expired - Lifetime CN1046485C (zh) | 1994-03-29 | 1995-03-10 | 泡沫料配送喷枪及其可卸喷嘴 |
Country Status (13)
Country | Link |
---|---|
US (1) | US5462204A (zh) |
EP (1) | EP0749399B1 (zh) |
JP (1) | JP2841869B2 (zh) |
KR (1) | KR100246072B1 (zh) |
CN (1) | CN1046485C (zh) |
AU (1) | AU682942B2 (zh) |
BR (1) | BR9507215A (zh) |
CA (1) | CA2186474C (zh) |
DE (1) | DE69514911T2 (zh) |
NZ (1) | NZ282612A (zh) |
TW (1) | TW326434B (zh) |
WO (1) | WO1995026315A1 (zh) |
ZA (1) | ZA952511B (zh) |
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Also Published As
Publication number | Publication date |
---|---|
JPH09511680A (ja) | 1997-11-25 |
NZ282612A (en) | 1997-09-22 |
BR9507215A (pt) | 1997-09-09 |
EP0749399A4 (en) | 1998-02-11 |
JP2841869B2 (ja) | 1998-12-24 |
ZA952511B (en) | 1995-12-19 |
US5462204A (en) | 1995-10-31 |
CA2186474C (en) | 1999-04-27 |
CA2186474A1 (en) | 1995-10-05 |
TW326434B (en) | 1998-02-11 |
EP0749399B1 (en) | 2000-02-02 |
KR100246072B1 (ko) | 2000-04-01 |
DE69514911T2 (de) | 2000-08-17 |
EP0749399A1 (en) | 1996-12-27 |
WO1995026315A1 (en) | 1995-10-05 |
MX9604371A (es) | 1997-12-31 |
AU1978295A (en) | 1995-10-17 |
AU682942B2 (en) | 1997-10-23 |
DE69514911D1 (de) | 2000-03-09 |
CN1046485C (zh) | 1999-11-17 |
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