44results about How to "Inexpensive and efficient to manufacture" patented technology

A micro heat exchanger system includes a first flow path and a second flow path transverse thereto for transferring thermal energy between a first fluid flowing through the first flow path and a second fluid flowing through the second flow path. The first flow path and the second flow path are filled with a thermally conductive porous network which incorporate unique structures, such as tubes, honeycomb, corrugated metal, reticulated foams, woven meshes or nonwoven mats or felts, engineered lattice structures, or a combination of these structures. In another embodiment, the thermally conductive porous network is coated with catalyst to provide an integrated heat exchanger and catalytic reactors.

A container is provided which includes a top portion having an opening and a side wall extending from the top portion to an end portion of the side wall. A bottom portion is connected with the end portion of the side wall such that the top portion, the side wall and the bottom portion define an interior space of the container. At least one groove is formed in the side wall. The at least one groove includes a central arc portion and end arc portions. The central arc portion is substantially concave relative to a longitudinal axis of the container. The end arc portions are substantially convex relative to the longitudinal axis of the container. The end arc portions are formed adjacent ends of the central arc portion and communicate with an outer surface of the side wall. Desirably, the at least one groove includes a plurality of grooves. The plurality of grooves may be disposed within the rows in an interrupted configuration such that at least a portion of the outer surface is disposed between the plurality of grooves. The central arc portion and the end arc portion may be cooperatively formed to create a load stress path communicating with the outer surface of the side wall for a load applied to the container. In an alternative embodiment, the at least one groove defines a cross-sectional configuration having groove walls extending inward from the outer surface to a groove floor. The groove walls are oriented at a wall angle measured from the outer surface.

An end effector for an endoscopic surgical instrument having a longitudinal body with proximal and distal ends and an actuator at the proximal end of the body includes a clevis to be connected to the distal end of the body and two jaws. Each of the jaws has a tang portion pivotally connected to the clevis and to be connected to the actuator for pivoting the jaw. The jaw has body portion with a lateral side having substantially straight opposing edges and a proximal portion connecting the lateral side to the tang portion and a nose portion connected to the lateral side and having substantially linear edges at an angle to the edges of the lateral side. The hollow body and nose portions define a biopsy cup for receiving a tissue sample therein and the opposing and linear edges form a pinching surface for contacting extremities of the tissue sample.

The present invention is directed to a footwear system that is customizable and offers a plurality of interchangeable base portions, upper portions, and connector elements in various styles, colors and designs, thus allowing an assortment of easily interchangeable and distinct styles of footwear in a single system. The footwear system specifically comprises an interchangeable base portion having a plurality of spaced openings and hollow receptacles formed in the base portion, an interchangeable upper portion adapted for removable attachment to the base portion where the upper portion has a plurality of spaced openings on each side end, and a plurality of interchangeable connector elements for connecting the upper portion to the base portion, where the connector elements may have decorative elements.

A micro heat exchanger system includes a first flow path and a second flow path transverse thereto for transferring thermal energy between a first fluid flowing through the first flow path and a second fluid flowing through the second flow path. The first flow path and the second flow path are filled with a thermally conductive porous network which incorporate unique structures, such as tubes, honeycomb, corrugated metal, reticulated foams, woven meshes or nonwoven mats or felts, engineered lattice structures, or a combination of these structures. In another embodiment, the thermally conductive porous network is coated with catalyst to provide an integrated heat exchanger and catalytic reactors.

An enclosure for electronic circuitry is provided which has a first housing member having at least one protrusion formed in a wall and a second housing member having at least one slot for receiving the at least one protrusion and securing the second housing member to the first housing member. The second housing member and the first housing member have one or more continuous electrical ground contact surfaces. The second housing member is secured to the first housing member so that there is an interference fit between the at least one protrusion and at least one slot and so that there are one or more continuous electrical ground contact surfaces between the first housing member and the second housing member. A method of assembling an enclosure for electronic circuitry is provided.

A strap system for selectively and independently binding and / or releasing at least one sets of essentially longitudinal objects, such as wires, from one another. A continuous strip of such two-sided material may be stored on a reel and is designed so that a user may select a preferred length and configuration for a particular use by making a single cut of the material strip from the reel-strip end. Each system includes at least two attached straps which each independently of the other may be used to loopably bind objects. Apertures between the straps permit cinching of each strap.

The present invention uses lithographically patterned graphite stacks as the basic building elements of an efficient and economical photovoltaic cell. The basic design of the graphite-based photovoltaic cells includes a plurality of spatially separated graphite stacks, each comprising a plurality of vertically stacked, semiconducting graphene sheets (carbon nanoribbons) bridging electrically conductive contacts.

A seed firming assembly is mounted to a planter by a bracket attached to a seed tube guard between a pair of opener disks. The bracket has first and second sides that define a cavity therebetween for receiving a seed tube. A first mounting structure in front of the cavity secures the bracket to the seed tube guard. A second mounting structure behind the cavity attaches a seed firmer to the bracket with a pivot connection that allows rotation of the seed firmer relative to the bracket about a generally horizontal transverse axis. A stopper bushing limits an extent of forward pivoting of the seed firmer relative to the bracket, and an adjustable tensioner mechanism limits an extent of rearward pivoting. The seed firmer has an upper portion comprising a leaf spring, and a lower portion comprising a material that has a higher abrasion resistance than the upper portion.

A strap system for selectively and independently binding and / or releasing at least one sets of essentially longitudinal objects, such as wires, from one another. A continuous strip of such two-sided material may be stored on a reel and is designed so that a user may select a preferred length and configuration for a particular use by making a single cut of the material strip from the reel-strip end.

An infant pacifier having a uniquely configured guard assembly for engaging the infant's face to effectively prevent the pacifier from being accidentally swallowed or inhaled by the infant, while at the same time permitting free passage of nasogastric tubing. The guard assembly includes a generally U-shaped body having a front surface, a back surface, a generally rounded bottom portion and a concave upper portion, which permits passage of the nasogastric tubing. The infant pacifier also includes a nipple extending outwardly from the front surface of the guard, the nipple having an axial centerline concentric with said rounded bottom portion of the guard.

A strap system for selectively and independently binding and / or releasing at least one sets of essentially longitudinal objects, such as wires, from one another. A continuous strip of such two-sided material may be stored on a reel and is designed so that a user may select a preferred length and configuration for a particular use by making a single cut of the material strip from the reel-strip end.

An electrical connector (10) includes an insulative housing (11), and a multiplicity of electrical contacts (12) received in the housing. Each contact comprises a retaining body (13) engagingly received in a corresponding passageway (110) of the housing, a soldering portion (14) extending from a bottom end of the retaining body for soldering to a PCB (40), and a resilient arm (16) extending from a lateral side of the retaining body. The resilient arm has a curved beam (162) extending slantingly upwardly and protrudes out from a top surface of the housing. An enlarged contact portion (164) is defined at a distal end of the curved beam. A width of the contact portion is substantially three times a width of the distal end of curved beam. The contact portion resiliently electrically contacts a metal contact pad of a CPU, thereby electrically connecting the CPU with the PCB.

There is disclosed a honeycomb structure manufacturing method which is capable of efficiently and inexpensively manufacturing a honeycomb structure for preferable use in a filter for trapping particulates in an exhaust gas or the like by use of a long-life grinding member whose satisfactory grinding performance is retained for a long time. The method includes the step of: working an outer periphery of a coarsely shaped honeycomb structure 20 made of a porous ceramic by use of a grinding member 10 to obtain a honeycomb structure 30 having a predetermined shape, wherein diamond abrasive grains of the grinding member 10 have a grain size of 40 to 150 mesh (JIS B 4130 standard) and a concentration degree of 80 or more, and the surfaces of the diamond abrasive grains are coated with at least one selected from the group consisting of Ti, Ni, and Cr.

A method and apparatus for three-dimensionally bending a metal material are provided. A product intermittently having a bent portion which curves three-dimensionally and a quenched portion is manufactured by a bending method which performs bending downstream of a support means while feeding a metal material which is supported by the support means from an upstream side towards a downstream side. A portion of the metal material is heated by a heating means for the metal material downstream of the support means, a bending moment is imparted to the portion of the metal material which was heated by the heating means to carry out bending by three-dimensionally changing the position of a movable roller die which is disposed downstream of the heating means and has a plurality of rolls which feed the metal material which was heated by the heating means in the axial direction, and the metal material is quenched by spraying a cooling medium at the portion of the metal material which was heated by the heating means by a cooling means disposed between the heating means and the movable roller die. Errors in a product due to bending are suppressed by supporting a portion of the metal material which has exited from the movable roller die.

A method of making spherical bodies from powder, which comprises (1) preparing an adjusted powder so as to have at least one powder characteristic selected from the group consisting of an average particle size, a powder particle size distribution and a BET specific surface area, (2) preparing nuclei having a particle size larger than that of the adjusted powder, (3) rotating the nuclei, and (4) adding the adjusted powder and a solvent to the rotating nuclei so that particles of the adjusted powder accumulate on the nuclei to form granular bodies. Also disclosed is a spherical body having a core or nucleus formed in the spherical body, an adjusted powder composition for forming a spherical body, and a method for manufacturing spherical sintered bodies of silicon nitride.

A method of manufacturing a resin molding according to the present invention is made by joining first and second resin molded parts. The method includes molding a concave portion when molding the first part, molding a convex portion which has a through-hole in a central portion thereof when molding the second part, mating the concave portion with the convex portion so that a cavity being in communication with one end of the through-hole is configured between the concave and convex portions, holding, with a jig, the first and second parts which the cavity is configured therebetween, connecting a tip of an injection nozzle for injecting a molten resin into the cavity with the other end of the through-hole, and filling the molten resin into the through-hole and the cavity from the injection nozzle so that the concave and convex portions are integrally joined by the resin.

The present invention provides a thermal transfer image receiving sheet having a good productivity, capable of inexpensively obtaining an image with high density and high resolution. A dye receiving layer is provided on one surface side of a base material film, and a porous layer with hollow particles bonded by a binder resin provided on the other surface side, respectively. The porous layer is attached with a base material via an adhesive layer.

A forehead pad for a breathing mask includes a substantially dimensionally stable first wall element and an elastomer second wall element coupled to the first wall element. The second wall element has a contact zone adapted to contact a surface of a user in use. The first and second wall elements define a filling-material-receiving chamber adapted to receive a filling material.

A portable curling iron holder is disclosed utilizing inexpensive thermoplastic molded to form a caddy. The holder incorporates a thermally resistant insert placed into and securely attached within one of the cavities of the caddy. This insert would be sized to receive and retain the heated barrel of a curling iron while providing a thermally insulative gap between the heated barrel of the curling iron and the adjacent thermoplastic walls of the caddy.

A latch assembly for insertion into an edge of a door and adjustable for actuation by a half-round spindle at either a first backset or a second backset. The latch has an inner casing non-rotatably received within an outer casing and slideable along an axis. The inner casing is provided with a transverse void substantially perpendicular to the sliding axis and is slideable between a first position in which the transverse void is aligned at the first backset and a second position is which the transverse void is aligned at the second backset. A slide within the casing is, without adjustment, engageable by the half-round spindle at either backset. A cam is rotatably mounted within the casing and engaged to the slide and to a bolt also within the casing. The bolt is slideably retractable into the casing by rotation of the cam in response to sliding of the slide. A spring biases the bolt to an extended position extend out from the casing.

The invention involves an improved wire spool guide including a frame that comprises adjacent legs for coupling with a support rod that typically traverses the center of a wire spool hub. Each leg includes a terminal end comprising a spring arm and rod-registering area configured to capture a portion of the rod while allowing the rod to rotate therein. In exemplary embodiments, each leg extends from an anterior support of the frame that is roughly perpendicular to both legs. A wire-guiding element extends substantially form a center portion of the anterior support. The wire-guiding element may be defined by a helical structure configured for allowing a portion of the wire to be weaved into the helical structure rather than having to be threaded through. The helical structure may include an incongruous element, which prevents the wire from tangling at an exit point of the wire-guiding element.

The present invention relates to a paper towel that can be provided with dry crepes with no need for involving a large equipment investment. The paper towel contains one or more of chemical pulp, mechanical pulp, de-inked pulp, and recycled pulp, being provided with crepes in an off-machine process by use of a microcreper, such as a MICREX® / Microcreper™ system, and having a basis weight of 32.2 to 64.3 gsm, a density of 0.130 to 0.150 g / cm3, which is obtained by dividing the basis weight by the caliper (μm), and the number of crepes (cpi) of 12 to 30.