[특허]Monolithic expandable structures, methods of manufacture and composite structures

Dexter Corporation

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Monolithic expandable structures, methods of manufacture and composite structures

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B32B-003/12
미국특허분류(USC)	428/117; 428/304.4; 428/313.3; 428/313.5; 428/314.2; 428/314.4; 428/315.5; 428/316.6; 428/317.9; 428/364; 428/367; 428/369; 428/402; 264/045.3; 264/051; 264/054; 264/320; 264/321; 264/176.1
출원번호	US-0621549 (2000-07-21)
발명자 / 주소	Wong, Raymon S.
출원인 / 주소	Dexter Corporation
대리인 / 주소	Dorsey & Whitney LLP
인용정보	피인용 횟수 : 38 인용 특허 : 4

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An article of manufacture comprising an expandable sag-resistant nucleus-forming monolithic composite capable of being located within a hollow interior portion of a structural material and being expanded therein. Also, articles of manufacture comprising open-cellular structural material containing within the open-cell or cell thereof, at least one expandable sag-resistant nucleus-forming monolithic composite. The composite is desirably in the shape of a plug that is similar or close to similar to the shape of the hollow interior. In addition, there is described a process that comprises forming a pre-shaped expandable sag-resistant nucleus-forming. monolithic composite for use in reinforcing and stiffening a normally open-cellular structural material. Also described is a process for reinforcing or stiffening a normally open-cellular structure, any tubular structure, or any channel structure, by putting at least one expandable sag-resistant nucleus-forming monolithic composite within a hollow interior portion of said structure. The invention is particularly desirable for stiffening and/or reinforcing honeycomb structures. upper and lower post forming grooves are vertically registered with and cooperate with a respective one of said post forming holes to define a post forming cavity; introducing a first resin into said post forming cavities to form a plurality of supporting posts that respectively extend through said post forming holes and that are bonded to the metal plate, said supporting posts cooperating with the metal plate to form an intermediate product; preparing a second mold that defines therein a second mold cavity and that has second upper and second lower mold halves which have second upper and second lower inner walls defining said second mold cavity; placing said intermediate product in said second mold cavity such that said supporting posts abut against said second upper and second lower inner walls and such that the metal plate partitions said second mold cavity into upper and lower mold sub-cavities; and introducing a second resin into said upper and lower mold sub-cavities to form a molded part that is bonded to and that cooperates with said supporting posts to form the molded plastic layer which encloses the metal plate. 2. The process of claim 1, wherein said first and second resins are the same material. 3. The process of claim 1, wherein said first and second resins have different colors. 4. The process of claim 1, wherein at least one of said second upper and second lower inner walls is formed with a pattern of recesses so as to form an embossed pattern on said molded plastic layer. 5. The process of claim 1, wherein said first upper and first lower inner walls are further formed with a pair of opposite upper and lower looped grooves that surround the metal plate, and a plurality of pairs of opposite upper and lower linking grooves, each of which is connected to and is in fluid communication with a respective one of said upper and lower post forming grooves and a respective one of said upper and lower looped grooves, said pair of said upper and lower looped grooves cooperating with said pairs of said linking grooves to provide passages for said first resin to be introduced into said post forming cavities. d. 5. A method according to claim 1, wherein said filament is used to form continuous filament yarns, staple yarns, melt-blown webs, nonwoven fabrics or woven fabrics. 6. A method according to claim 1, wherein the first component forms a core of the filament and the second component forms a sheath around the circumference of the core. 7. A method according to claim 1, wherein the second component is in the form of at least one stripe on the surface of the first component. 8. A method according to claim 1, wherein the filament-forming polymer is selected from the group consisting of nylon, polyester, or and polypropylene. 9. A method according to claim 1, wherein the second component comprises a halogenated polymer. 10. A method according to claim 9, wherein the halogenated polymer is poly(ethylene chlorotrifluoroethylene). 11. A method according to claim 1, wherein the second component comprises an olefin copolymer. 12. A method according to claim 1, wherein said filament comprises a tenacity of at least 1.0 g/den. 13. A method for producing a low surface energy filament comprising, melting a first component comprising at least one filament-forming polymer; melting a second component comprising at least one polymer; extruding said first component and said second component to form a filament, wherein said second component is formed on said first component; quenching said filament; and drawing said filament at a speed of greater than about 1500 meters per minute; wherein said filament possesses a contact angle greater than or equal to 90 degrees. 14. A method according to claim 1, wherein said filament is used to form continuous filament yarns, staple yarns, melt-blown webs, nonwoven fabrics or woven fabrics. 15. A method according to claim 1, wherein the first component forms a core of the filament and the second component forms a sheath around the circumference of the core. 16. A method according to claim 1, wherein the second component is in the form of at least one stripe on the surface of the first component. 17. A method according to claim 1, wherein the filament-forming polymer is selected from the group consisting of nylon, polyester, of and polypropylene. 18. A method according to claim 1, wherein the second component comprises a halogenated polymer. 19. A method according to claim 9, wherein the halogenated polymer is poly(ethylene chlorotrifluoroethylene). 20. A method according to claim 1, wherein the second component comprises an olefin copolymer. 21. A method according to claim 13, wherein said speed is greater than about 1800 meters per minute. 22. A method according to claim 13, wherein said speed is greater than about 2000 meters per minute. 23. A method according to claim 13, wherein said speed is greater than about 2300 meters per minute. ight; and a lens configured to receive the light emitted by the samples, wherein the lens is positioned directly over a first group of the capillaries and obliquely over a second group of the capillaries, wherein each of the first and second groups of capillaries comprises at least one of the capillaries, and wherein the light source is further configured to illuminate the second group of capillaries more than the first group of the capillaries such that amount of light received by the lens from the first group of capillaries is substantially identical to amount of light received from the second group of capillaries when an identical amount of the samples is migrating through the first and second groups of capillaries. 2. The system according to claim 1, wherein the light source further comprises: a laser configured to produce a laser beam; a scanning mirror optically coupled to the laser to receive the laser beam and configured to be oscillated, the scanning mirror positioned to aim the received laser beam at the capillaries; and a control device operatively coupled to the scanning mirror, the control device configured to control the oscillation of the scanning mirror, to thereby cause the laser beam from the scanning mirror to illuminate the plurality of capillaries. 3. The system according to claim 2, wherein the light source further comprises: a stationary mirror optically coupling the laser to the scanning mirror; and a convex lens optically coupled to the stationary mirror and the scanning mirror. 4. The system according to claim 2, wherein the light source further comprises: a cylindrical lens optically coupled to the scanning mirror, wherein the cylindrical lens is positioned to focus the laser beam on the plurality of capillaries. 5. The system according to claim 2, wherein the plane formed by the plurality of capillaries has a coincident axis extending parallel to the lengths of the capillaries, wherein the scanning mirror aims the laser beam through a scanning plane which is formed by a locus of the laser beam illuminating the capillaries, and wherein the laser beam impinges on the capillaries at an angle of 45°-90° formed between the scanning plane and the coincident axis. 6. The system according to claim 5, wherein the plane formed by the plurality of capillaries has a transverse axis extending parallel to the widths of the capillaries, wherein the scanning plane has a central beam line extending from the scanning mirror to a center point among the capillaries illuminated by the laser beam, and wherein the laser beam impinges on the capillaries at an angle of 1°-90° formed between the transverse axis and the central beam line. 7. The system according to claim 2, further comprising a magnet rotor connected to the scanning mirror, the rotor configured to oscillate the scanning mirror; wherein the control device comprises: a waveform generator coupled to the scanning mirror, the waveform generator configured to produce a sinusoidal waveform to drive the rotor. 8. The system according to claim 1 further comprising: a mount having a surface configured to place the capillaries thereon and defining a chamber with an opening, wherein the chamber is configured to trap light when light enters through the opening. 9. The system according to claim 1 further comprising: a housing configured to cover the capillaries illuminated by the light source, the housing defining a first opening and a second opening; a first light conduit connected between the light source and the first opening; a second light conduit connected between the lens and the second opening, wherein the housing and the first and second conduits provide a light shield. 10. The system according to claim 1, wherein the plurality of capillaries includes at least 384 capillaries. 11. A capillary electrophoresis method, comprising: introducing samples to a plurality of capillaries positioned in parallel to each other forming a plane comprising a first group and a second group of capillaries, wherein the first and second groups each include at least one of the capillaries; causing the samples to separate and migrate through the capillaries; and illuminating the separated samples within the first and second groups of capillaries with the separated samples in the second group of capillaries being illuminated more than the separated samples in the first group of capillaries such that an amount of light received by a lens from within the first group of capillaries is substantially identical to an amount of light received from within the second group of capillaries when an identical amount of the samples is migrating through the first and second group capillaries, wherein the lens is positioned directly above the first group of capillaries and obliquely over the second group of capillaries. 12. The method according to claim 11, further comprising the steps of: prior to the step of illuminating the separated samples in the first and second groups of capillaries with the separated samples in the second group of capillaries being illuminated more than the separated samples in the first group of capillaries: measuring an amount of light received by the lens from within the first and second groups of capillaries in response to: injecting an identical amount of the samples into the first and second capillaries; and illuminating the separated samples in the first and second groups of capillaries with substantially identical amounts of light;and subsequently calculating a difference between a first amount of light received by the lens from within the first group of capillaries and a second amount of light received by the lens from within the second group of capillaries. 13. The method according to claim 12, wherein the step of illuminating the separated samples in the first and second groups of capillaries with the separated samples in the second group of capillaries being illuminated more than the separated samples in the first group of capillaries comprises: generating a compensating laser beam that substantially eliminates the calculated difference between the amount of light received by the lens from within the first and second groups of capillaries, wherein only the compensating laser beam is used to illuminate the separated samples within the first and second groups of capillaries with the separated samples within the second group of capillaries being illuminated more than the separated samples within the first group of capillaries. 14. The method according to claim 13, wherein the step of generating the compensating laser beam further comprises: producing a laser beam; receiving the laser beam by a scanning mirror; and oscillating the scanning mirror to generate the compensating laser beam. 15. The method according to claim 14, wherein the step of oscillating the scanning mirror further comprises: generating a controlling waveform to control the oscillation of the scanning mirror, wherein the controlling waveform is one of sinusoidal and triangular waveforms. 16. The method according to claim 14, wherein the step of oscillating the scanning mirror further comprises: generating a controlling waveform to control the oscillation of the scanning mirror, wherein the controlling waveform is a combination of sinusoidal, square and triangular waveforms. 17. A capillary electrophoresis method comprising: providing a plurality of capillaries arranged parallel to one another, the plurality of capillaries including a first group of capillaries and a second group of capillaries; providing a lens positioned directly above the first group of capillaries and obliquely over the second group of capillaries; introducing samples into said first and second groups of capillaries; causing the samples to separate and migrate through the first and second groups of capillaries; and illuminating the separat

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이 특허를 인용한 특허 피인용횟수: 38

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Monolithic expandable structures, methods of manufacture and composite structures

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