Abstract:
The disclosure provides for a method including: a) forming a layered tubular member (12) by placing one or more outer layers (16) about an inner layer (14) and joining at one or more seams (56) along a length of the layered tubular member, wherein the one or more outer layers include a first resin impregnated therein; b) applying the first resin or a second resin at the one or more seams; c) creating one or more fillets (58) along the one or more seams with the first resin, the second resin, or an adhesive; and d) curing the first resin, the second resin, and the adhesive so that the layered tubular member, the first resin, the second resin, and the adhesive form a composite structure having a tubular shape.
Abstract:
An article comprising; a) a die core (10) having plurality of flow paths adapted to flow extrudable material to a plurality of slots (12) and around a plurality of pins (11) so as to form a honeycomb structure from the extrudable material, the honeycomb structure having a skin about its outer surface in the extrusion direction, the slots (12) comprise wall slolts (12) for forming walls of the honeycomb structure and skin slots (16) disposed about an outer periphery of the die core (10) for forming the skin arond the honey-comb structure, the die having an extrusion entrance surface (24) and an extrusion exit surface (13); b) a mounting plate (20) adapted to hold the die core (10) in an extrusion system having an opening (21) adapted to allow the extrudable material passed through the die core (10) to exit the die core (10), an outer portion adapted mount and hold the die core (10) in place, and a flange (22) about the periphery of the opening (21) which seats the die core (10) and is disposed about the outer periphery of the extrusion exit surface (13) of the die core (10), wherein the inner surface (23) of the mounting plate (20) is disposed to partially form the skin slots (16) adapted to to allow extrudable material to flow from the skin slots (16) to form the skin about the outer surface of the honeycom structure; wherein the die core (10) and the mounting plate (20) are comprised of different materials having different wear properties.
Abstract:
Embodiments of the present disclosure are directed towards vacuum vessels, more specifically, embodiments are directed towards insulating devices and high insulating systems including vacuum vessels. As an example, a vacuum vessel can include a shell including a continuous surface layer with a shell locking portion, a liner including a continuous surface layer with a liner locking portion, where the liner locking portion and the shell locking portion interlock the shell and the liner and include a first sealant layer and a second sealant layer disposed along an interface between the continuous surface layer of the shell and the continuous surface layer of the liner.
Abstract:
An article comprising a) a die core having a plurality of flow paths adapted to flow extrudable material to a plurality of slots including wall slots and skin slots and around a plurality of pins so as to form a honeycomb structure from the extrudable material; and b) a mounting plate adapted to hold the die core in an extrusion system having an opening adapted to allow the extrudable material passed through the die core to exit, an outer portion adapted to mount and hold the die core in place, a flange about the periphery of the opening which seats the die core, an inner surface disposed to partially form the skin slots adapted to allow extrudable material to flow from the skin slots to form the skin of the honeycomb structure; and wherein the die core and mounting plate are comprised of different materials having different wear properties.
Abstract:
A dynamic mixer (40) comprising a rotatable structure (10, 111, 11, 1, 2, 3, 4, 5) having a cylindrical base (14) having a connector disposed at one end, an opposing thinned end, flights of 3 to 6 blades (11, 12, 151, 61), separated by a notches (13, 18) the blades (11, 12, 151, 61) have an inlet face facing the connector end, an outlet (30) face facing the thinned end, a leading edge (21) facing the direction of rotation, a trailing edge (20) opposite the leading edge (21), a standard leading face (154, 65) which tapers from the leading edge (21) to the outlet (30) face and a standard trailing face (166) which tapers from the trailing edge (20) to the inlet face, or a reverse leading face (154, 65) which tapers from the leading edge (21) to the inlet face and a reverse trailing face (155, 66) which tapers from the trailing edge (20) to the outlet (30) face, the notches (13, 18) are offset from one another and the article is adapted for use in a dynamic mixer (40) to mix viscous material when rotated in the mixer (40). An article comprising the mixer (40), a shell (25, 28, 29, 31) about the mixer (40) and an endplate (33) that defines material inlets and seals the inlet end (15, 27) of the mixer (40).
Abstract:
The present invention relates to a process to reduce internal stresses in insulation molded onto complex pipes, preferably complex subsea pipe, to reduce cracking in the molded insulation. Insulation materials applies to complex pipes comprising branches, i.e., valves, and the like, may be susceptible to cracking at, or near where the branch connects to the pipe as the coating of insulation material cures or hardens. The process of the present invention aims to reduce post molded cracking by reducing molded in stress at the branch/pipe junction. This is accomplished by providing a preform at or near a branch/pipe junction prior to applying the coating of insulation material.
Abstract:
Disclosed herein is a an internal surface generator (300) comprising an inlet sub-element (302) comprising a plurality of inlet ports (302A-302D); an outlet sub-element (306) comprising outlet ports (306A-306D) that are equal in number to the inlet ports; and an intermediate sub-element (304) comprising non-linear passages (304A-304D) that are equal in number to the inlet ports or the outlet ports; where the intermediate sub-element contacts the inlet sub-element and the outlet sub-element and is operative to transport a fluid from the inlet ports to the outlet ports.