초록 ▼

A system and method for forming a composite structure involves providing at least two polymeric sheets as outer layers such that a cavity is formed therebetween, adhesively bonding fibrous layers to the polymeric layers to hold the fibrous layers in place during processing, and injecting into the ca

A system and method for forming a composite structure involves providing at least two polymeric sheets as outer layers such that a cavity is formed therebetween, adhesively bonding fibrous layers to the polymeric layers to hold the fibrous layers in place during processing, and injecting into the cavity a polymeric core material capable of exhibiting a foamed character and a resinous character. The cavity is evacuated during filling with the core material, and a blowing agent of the core material is activated upon exposure to the evacuated cavity. The core material contacting the fibrous layers is reconverted to its resinous character and forms a relative dense, resinous interface between the core and fibrous layers. Upon filling the region of the cavity between the fibrous layers, a catalytic reaction is initiated in the core. Then, each resinous interface is driven through the respective fibrous layer to impregnate the fibrous layer and form a dense, resinous layer between each fibrous layer and adjacent polymeric layer. A structural insert, such as a rigid plate adapted to receive fasteners, is embedded within the core material for attaching other devices or structures thereto.

대표청구항 ▼

A system and method for forming a composite structure involves providing at least two polymeric sheets as outer layers such that a cavity is formed therebetween, adhesively bonding fibrous layers to the polymeric layers to hold the fibrous layers in place during processing, and injecting into the ca

A system and method for forming a composite structure involves providing at least two polymeric sheets as outer layers such that a cavity is formed therebetween, adhesively bonding fibrous layers to the polymeric layers to hold the fibrous layers in place during processing, and injecting into the cavity a polymeric core material capable of exhibiting a foamed character and a resinous character. The cavity is evacuated during filling with the core material, and a blowing agent of the core material is activated upon exposure to the evacuated cavity. The core material contacting the fibrous layers is reconverted to its resinous character and forms a relative dense, resinous interface between the core and fibrous layers. Upon filling the region of the cavity between the fibrous layers, a catalytic reaction is initiated in the core. Then, each resinous interface is driven through the respective fibrous layer to impregnate the fibrous layer and form a dense, resinous layer between each fibrous layer and adjacent polymeric layer. A structural insert, such as a rigid plate adapted to receive fasteners, is embedded within the core material for attaching other devices or structures thereto. uding optical fiber receiving grooves and either guide pins or guide pin receiving grooves, wherein each of the grooves is formed on one surface of the substrate for aligning or positioning optical fibers, and wherein said substrate is made of a substantially amorphous alloy having a composition represented by the following general formula (1) and containing an amorphous phase in a volumetric ratio of at least 50%: M1aM2bLncM3dM4eM5f (1) wherein M1represents Zr; M2represents at least one element selected from the group consisting of Ni, Cu, Fe, Co, Mn, Nb, Ti, V, Cr, Zn, Al, and Ga; Ln represents at least one element selected from the group consisting of Y, La, Ce, Nd, Sm, Gd, Tb, Dy, Ho, Yb, and Mm (mish metal: aggregate of rare earth elements); M3represents at least one element selected from the group consisting of Be, B, C, N, and O; M4represents at least one element selected from the group consisting of Ta, W, and Mo; M5represents at least one element selected from the group consisting of Au, Pt, Pd, and Ag; and a, b, c, d, e, and f represent such atomic percentages as respectively satisfy 25≤a≤85,15≤b≤75,0≤c≤30, 0≤d≤30,0≤e≤15, and 0≤f≤15. 8. The grooved substrate according to claim 7, wherein said substrate is provided with grooves each having a cross-sectional contour of the letter V. 9. The grooved substrate according to claim 7, wherein said substrate is provided with grooves each having a cross-sectional contour of the letter U. the end of the tubes such that the flexible extensions engage the grooves in the tubes. 2. The electrode module of claim 1 wherein the electrode module has an angled face from the R-OD to the R-ID, facing toward the central axis of the electrode ring. 3. The electrode module of claim 2 wherein the electrical-insulator ring has a groove enclosing the electrode ring leaving only the angled face exposed. 4. The electrode module of claim 1 further comprising a threaded nut assembled to each inlet and outlet tube, each threaded nut comprising: a substantially cylindrical body having an outside major diameter and a through-bore along a central axis of the body, the through-bore defining an inside major diameter, the body having a length in the direction of the central axis, a tool interface at a first end of the body, the tool interface shaped to engage a tool for exerting a torque around the central axis; a threaded region along the outside major diameter from a second end of the body opposite the first end and extending from the second end along a substantial portion of the outside major diameter toward the tool interface; an internal ridge in the substantially cylindrical body extending from the inside major diameter toward the central axis for a portion of the length within the threaded region; and three or more flexible portions formed by cuts through the substantially cylindrical body from the second end extending for a substantial portion of the threaded region; wherein the threaded nut on each inlet and outlet tube engages the groove in the outer tube diameter by the internal ridge in the substantially cylindrical body of the threaded nut.