专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO9808667A3 Method and apparatus for microcellular polymer extrusion 审中-公开
标题翻译：微孔聚合物挤出的方法和装置
公开(公告)号：WO9808667A3
公开(公告)日：1998-05-14
申请号：PCT/US9715088
申请日：1997-08-26
申请人： TREXEL INC , BURNHAM THEODORE A , CHA SUNG W , WALAT ROBERT H , KIM ROLAND Y , ANDERSON JERE R , STEVENSON JAMES F , SUH NAM P , PALLAVER MATTHEW
发明人： BURNHAM THEODORE A , CHA SUNG W , WALAT ROBERT H , KIM ROLAND Y , ANDERSON JERE R , STEVENSON JAMES F , SUH NAM P , PALLAVER MATTEW
IPC分类号： B29C47/00 , B29C44/32 , B29C44/34 , B29C44/46 , B29C47/10 , B29C47/12 , B29C47/74 , B29K105/04 , C08J9/00
CPC分类号： B29C44/322 , B29C44/3446 , B29C44/3473 , B29C44/348 , B29C44/461 , B29C44/468 , B29C47/0016 , B29C47/0019 , B29C47/1045 , B29C47/1063 , B29K2105/0005 , B29K2105/16
摘要： Continuous polymeric extrusion nucleation systems and methods useful for making polymeric microcellular foamed materials, including crystalline and semi-crystalline polymeric microcellular materials, are provided. Pressure drop rate is an important feature in some embodiments, and the invention provides systems for controlling these and other parameters. One aspect involves a multiple-pathway nucleator that is separated from a shaping die by a residence chamber. Another aspect involves a die for making advantageously thick articles, including a multiple-pathway nucleation section. Microcellular material can be continuously extruded onto wire, resulting in a very thin, essentially closed-cell microcellular insulating coating secured to a wire. Other very thin microcellular products can be fabricated as well.

2. 发明申请

WO0234491A3 VALVE FOR INJECTION MOLDING 审中-公开
标题翻译：注射成型阀
公开(公告)号：WO0234491A3
公开(公告)日：2003-03-13
申请号：PCT/US0149714
申请日：2001-10-24
申请人： TREXEL INC , KIM ROLAND Y , BURNHAM THEODORE A
发明人： KIM ROLAND Y , BURNHAM THEODORE A
IPC分类号： B29C44/34 , F16K1/38 , F16K31/122 , F16K1/00
CPC分类号： F16K31/1221 , B29C44/3446 , F16K1/38
摘要： A valve (200) for controlling the flow of a high pressure fluid is provided. The valve (200) provides a reliable way of controlling the flow of high pressure fluids in applications requiring multiple cycles where equipment may be exposed to environmentally harsh conditions, such as high temperatures and pressures.
摘要翻译：提供一种用于控制高压流体流动的阀门（200）。阀门（200）提供了一种可靠的方法来控制需要多个循环的应用中的高压流体的流动，其中设备可能暴露在诸如高温和高压的环境恶劣条件下。

3. 发明申请

WO0073036A9 POLYMERIC FOAM PROCESSING 审中-公开
标题翻译：聚合泡沫加工
公开(公告)号：WO0073036A9
公开(公告)日：2002-06-06
申请号：PCT/US0011576
申请日：2000-04-28
申请人： TREXEL INC
发明人： OKAMOTO KELVIN T , CHEN LIQIN , BURNHAM THEODORE A , STRAFF RICHARD S
IPC分类号： B29C44/34 , B29C47/10 , B29C47/20 , B29C47/94
CPC分类号： B29C47/20 , B29C44/348 , B29C47/0026 , B29C47/1063 , B29C47/94 , B29K2105/0005 , Y10T428/249979 , Y10T428/249989
摘要： The present invention provides microcellular articles, as well as methods and apparatuses for producing polymeric foams, and, in particular microcellular material. The methods involve forming a gas blanket within a polymer processing die (72) that prevents contact between the polymer melt and surfaces (106) of the die (72) during extrusion. In one set of embodiments, the gas blanket is provided by gas diffusing out of surfaces of the nucleated polymer material. In other embodiments, the gas blanket is formed by introducing a gas from an external source into the polymer flow channel within the die. The dies, according to the invention, are specially configured to generate and to support the gas blanket. The extruded forms are free of surface defects that, typically, arise from contact between the polymer melt and the die surfaces.
摘要翻译：本发明提供了微孔制品，以及用于生产聚合物泡沫的方法和装置，特别是微孔材料。所述方法包括在聚合物处理模具（72）内形成气体覆盖层，其防止聚合物熔体与挤出过程中模具（72）的表面（106）之间的接触。在一组实施例中，气体覆盖层是由有孔聚合物材料表面的气体扩散提供的。在其它实施例中，通过将来自外部源的气体引入模具内的聚合物流动通道中而形成气体覆盖层。根据本发明的模具被特别地构造成产生和支撑气体覆盖层。挤出形式没有表面缺陷，其通常来自聚合物熔体和模具表面之间的接触。

4. 发明申请

WO0073036A8 POLYMERIC FOAM PROCESSING 审中-公开
标题翻译：聚合泡沫加工
公开(公告)号：WO0073036A8
公开(公告)日：2001-06-28
申请号：PCT/US0011576
申请日：2000-04-28
申请人： TREXEL INC
发明人： OKAMOTO KELVIN T , CHEN LIQIN , BURNHAM THEODORE A , STRAFF RICHARD S
IPC分类号： B29C44/34 , B29C47/10 , B29C47/20 , B29C47/94
CPC分类号： B29C47/20 , B29C44/348 , B29C47/0026 , B29C47/1063 , B29C47/94 , B29K2105/0005 , Y10T428/249979 , Y10T428/249989
摘要： The present invention provides microcellular articles, as well as methods and apparatuses for producing polymeric foams, and, in particular microcellular material. The methods involve forming a gas blanket within a polymer processing die (72) that prevents contact between the polymer melt and surfaces (106) of the die (72) during extrusion. In one set of embodiments, the gas blanket is provided by gas diffusing out of surfaces of the nucleated polymer material. In other embodiments, the gas blanket is formed by introducing a gas from an external source into the polymer flow channel within the die. The dies, according to the invention, are specially configured to generate and to support the gas blanket. The extruded forms are free of surface defects that, typically, arise from contact between the polymer melt and the die surfaces.
摘要翻译：本发明提供了微孔制品，以及用于生产聚合物泡沫的方法和装置，特别是微孔材料。所述方法包括在聚合物处理模具（72）内形成气体覆盖层，其防止聚合物熔体与挤出过程中模具（72）的表面（106）之间的接触。在一组实施例中，气体覆盖层是由有孔聚合物材料表面的气体扩散提供的。在其它实施例中，通过将来自外部源的气体引入模具内的聚合物流动通道中而形成气体覆盖层。根据本发明的模具被特别地构造成产生和支撑气体覆盖层。挤出形式没有表面缺陷，其通常来自聚合物熔体和模具表面之间的接触。

5. 发明申请

WO0073036A2 POLYMERIC FOAM PROCESSING 审中-公开
标题翻译：聚合泡沫加工
公开(公告)号：WO0073036A2
公开(公告)日：2000-12-07
申请号：PCT/US0011576
申请日：2000-04-28
申请人： TREXEL INC
发明人： OKAMOTO KELVIN T , CHEN LIQIN , BURNHAM THEODORE A , STRAFF RICHARD S
IPC分类号： B29C44/34 , B29C47/10 , B29C47/20 , B29C47/94 , B29C44/00
CPC分类号： B29C47/20 , B29C44/348 , B29C47/0026 , B29C47/1063 , B29C47/94 , B29K2105/0005 , Y10T428/249979 , Y10T428/249989
摘要： The present invention provides microcellular articles, as well as methods and apparatuses for producing polymeric foams, and, in particular microcellular material. The methods involve forming a gas blanket within a polymer processing die that prevents contact between the polymer melt and surfaces of the die during extrusion. In one set of embodiments, the gas blanket is provided by gas diffusing out of surfaces of the nucleated polymer material. In other embodiments, the gas blanket is formed by introducing a gas from an external source into the polymer flow channel within the die. The dies, according to the invention, are specially configured to generate and to support the gas blanket. The extruded forms are free of surface defects that, typically, arise from contact between the polymer melt and the die surfaces.
摘要翻译：本发明提供了微孔制品，以及用于生产聚合物泡沫的方法和装置，特别是微孔材料。所述方法包括在聚合物加工模具内形成气体覆盖层，其防止在挤出期间聚合物熔体与模具表面之间的接触。在一组实施例中，气体覆盖层是由有孔聚合物材料表面的气体扩散提供的。在其它实施例中，通过将来自外部源的气体引入模具内的聚合物流动通道中而形成气体覆盖层。根据本发明的模具被特别地构造成产生和支撑气体覆盖层。挤出形式没有表面缺陷，其通常来自聚合物熔体和模具表面之间的接触。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式