50results about How to "Prevents wicking" patented technology

The present invention 10 discloses an elastomeric skylight membrane molded as a single piece comprising a planar element 18 for sealably engaging roof sheathing 26 and a centrally positioned collar element 20 for sealably engaging the rough opening framing members 34. The skylight collar membrane 20 is inserted over the framed rough opening for a skylight 16 having the elastomeric collar element tightly engaging the framing members 34 and of substantially the same height as the rough opening frame members. The planar element 18 engages the roof sheathing 26 and is fixedly attached thereto by any means well known within the art. Positioned across the up slope side 36 of the collar 20 is an angularly protruding edge 32 for preventing water from wicking between the skylight frame 34 and the skylight membrane 10. To prevent lateral flow from the up slope edge 36 of the skylight 16 there are two spaced apart ridges 22 transversely positioned to the turnback collar sides extending above and below the horizontal edge 30 of the up slope side 36. The diverter ridges 22 spaced away form the turnback side 32 obstruct lateral water flow returning it to a downhill flow. The planar element 18 further has a bead 38 on three sides near its periphery that will redirect any water that has accumulated between the skylight membrane and shingles to a downward flow.

Oxygen diffusive wound dressings and methods of manufacturing and use are described herein. The wound dressing may generally provide a ready supply of oxygen to a wound being treated via one or more oxygen conduits which are designed to pass oxygen from ambient air or other oxygen reservoirs into proximity to the wound, and may also provide for exudate removal through transecting channels in fluid communication with both the wound surface and a hydrophilic absorbent material.

An electrical interconnect assembly for electrically interconnecting terminals on a first circuit member with terminals on a second circuit member. The electrical interconnect includes a housing having a plurality of through openings extending between a first surface and a second surface. A plurality of composite contacts are positioned in a plurality of the through openings. The composite contacts include a conductive member having a central portion and at least first and second interface portions. One or more polymeric layers extend along at least the central portion conductive member. One or more coupling features on the composite contacts engage with the housing. At least one engagement feature formed in the polymeric layers proximate the first interface portion mechanically couples with the terminals on the first circuit member.

Embodiments of the invention provide microphone assemblies which are resistant to moisture. One embodiment provides a microphone assembly comprising a housing, a diaphragm disposed in the housing and a backplate disposed in the housing. The housing includes a sound inlet port for the entry of sound waves. The backplate includes a surface and an electret portion having an embedded permanent charge. The diaphragm is configured to vibrate in response to sound waves entering the housing. The vibrations of the diaphragm interact with the electret portion to produce an electrical signal associated with the sound waves entering the housing. A hydrophobic coating can be applied to one or both of the backplate and diaphragm surfaces so as to reduce condensation and/or wetting of the backplate. This minimizes neutralization of an electric field of the backplate surface from condensation preserving the field and the function of the microphone in humid environments.

An ostomy appliance having a face plate assembly and inner and outer pouches joined thereto, has its outer pouch provided with one or more peripherally-extending sealing seams that allow the walls of the outer pouch to be separated by peeling forces applied in directions transverse to such seam or seams. In preferred embodiments, the sealing seam, also peelably join the peripheral edges of the outer pouch to those of the inner pouch. A method of disposing of the pouch assembly of such an ostomy appliance is also disclosed.

A ferrule boot for attachment to an optical fiber ribbon has a channel extending therethrough. The channel has at its distal end a first tapered lead-in section sized and dimensioned such that the optical fiber ribbon with the internal optical fibers stripped and exposed is insertable through the ferrule boot. The first tapered lead-in section is connected to a second tapered section, and the second tapered section prevents adhesives used to affix the optical fiber ribbon to a ferrule from wicking to the outside of the ferrule boot. The channel has a substantially straight section fitting intimately over the outside of the optical fiber ribbon to center and guide the exposed optical fibers to the center of the proximal end of the channel. In an embodiment, the ferrule boot also has a lip member disposed proximate to the proximal end of the channel to help seal the adhesive and ease insertion. Additionally, the lip may also prevent withdrawal of the optical fiber ribbon. In another embodiment, the ferrule boot also has a vent hole to allow air or other gases trapped in the ferrule boot cavity to vent to the ambient atmosphere.

An apparatus (10) and method for use in a vertical flow-through assay process is characterised by applying pressure to a sample to force the sample through a reaction/capture membrane (12), to which one or more ligands are bound, at a controlled rate. Typically, the method includes a pre-incubation step in which the sample and a detection analyte typically an antibody bound to colloidal gold or a fluorescent tag bind together The pre-incubation step typically takes place in a chamber (26) spaced above the capture membrane (12). The base of the chamber is defined by a porous hydrophobic frit (34) typically formed from polyethylene. It is preferred that the chamber (26) is defined by the upper part of a cylinder (24) extending from a seal (30) compressing the reaction membrane (12) against an absorbent pad (28). The seal (30) has the effect of compressing tie reaction membrane and preventing wicking of the sample in the lateral direction outside of the circular seal. A piston (28) compresses air located in the chamber above atmospheric pressure to farce the sample to pass through the hydrophobic frit (34). Alternatively, a hydraulic actuator (60) may directly act on the sample to force the sample through the frit and reaction membrane at a predetermined rate.

A reusable diaper may include an inner layer to wick moisture and an outer layer substantially impervious to liquids. A waist portion may include a corner region for securing the diaper in a desired position. The corner region may be resiliently stretchable and substantially impervious to liquids, and may include first and second layers coupled to the respective inner and outer layers. The coupled first layer and inner layer define a first seam allowance, and the coupled second layer and outer layer define a second seam allowance. The first and second seam allowances may be positioned within the corner region to help inhibit wicking of liquid through the seam allowances into the corner region. And a fluid-resistant region may be provided to help resist wicking of moisture through the inner layer past the fluid-resistant region.

A cable assembly configured to prevent the wicking of fluid inside the cable assembly and method for producing same. The assembly includes at least one wire surrounded by an insulative wire jacket. A portion of the wire jacket is removed to expose a portion of the wire. The at least one wire is overmolded with a material that adheres to the wire jacket and the exposed portion of the wire, thereby preventing the wicking of fluid along the inside and outside surfaces of the wire jacket. Solder may be applied to the exposed portion of the wire, thereby providing a fluid barrier within the wire in instances in which the wire is stranded.

A waterproof seal for electrical assemblies having conductive wires attached to a metal contact and inserted into a connector body. The conductive wires and metal contact are coated with solder to fill the gaps. The space between the soldered wires and the connector body are filled with an epoxy. The wire insulation and connector body are continuously sealed with a bonding agent. A section of wire insulation and the connector body are encased within an outer plastic jacket overmold.

A gapped or seamed cylindrical offset printing blanket having pre-made blanket material mounted on a cylindrical sleeve, and a method for making same, are disclosed, wherein conventional, manufactured blanket material in flat form made by methods known in the art is adhered to a cylindrical sleeve to economically produce a blanket. The leading and trailing ends of the flat blanket material are joined in close proximity such that a small gap is formed. A seam may be made with a filler material that fills the remaining gap resulting in a seamed sleeved blanket. In use, the seam is aligned with non-print area on the adjacent printing plate, or the adjacent plate cylinder gap of the printing press. Being narrower than the plate cylinder gap, no loss of print length results from the seam.

The present invention relates to a cover for a mattress and bed deck. More particularly, the present invention relates to a mattress and bed deck cover for an adjustable bed that reduces the exposure of the mattress and bed deck to unsanitary conditions.

Fluid introduction is facilitated through the use of a port which extends entirely through a microfluidic substrate. Capillary forces can be used to retain the fluid within the port, and a series of samples or other fluids may be introduced through a single port by sequentially blowing the fluid out through the substrate and replacing the removed fluid with an alternate fluid, or by displacing the fluid in part with additional fluid. In another aspect, microfluidic substrates have channels which varying in cross-sectional dimension so that capillary action spreads a fluid only within a limited portion of the channel network. In yet another aspect, the introduction ports may include a multiplicity of very small channels leading from the port to a fluid channel, so as to filter out particles or other contaminants which might otherwise block the channel at the junction between the channel and the introduction port.