A system is provided to position an energy delivery handpiece a desired distance from a treatment site while at the same time protecting the handpiece, and energy transmitting optical fibers, from soiling due to tissue debris. The system includes one or more energy transmissive members that are formed from a material that allows the passage of electromagnetic (e.g., laser) energy therethrough. The...

Fluoropolymer is advantageously foamed by first forming a composite structure of a layer of the fluoropolymer to be foamed and a layer of different material such as a different fluoropolymer not to be foamed, followed by heating the composite structure to the foamable state for the layer of fluoropolymer to be foamed, pressurizing the heated composite structure with supercritical carbon dioxide, r...

The present invention relates to a sealable laminated film which contains a copolymer consisting of ethylene and alpha -olefine, wherein the MPE copolymer is characterized as follows: polymerised with metallocene catalysts, crystallite melting point less than 110 DEG C., preferably less than 105 DEG C., melt index MFR from 0.5 to 10 g/10 min, molecular weight distribution Mw/Mn less than 3, pre...

A treating agent comprises a nitrile group-containing highly saturated polymer rubber latex (A) having an iodine value of 120 or less, a rubber latex (B) other than the highly saturated polymer rubber latex, and a water-soluble resorcinol/formaldehyde condensate in amounts of 15 to 80%, 5 to 70% and 2 to 15%, all by weight in terms of solids, respectively. A rubber-reinforcing fiber product is coa...

A multilaminar high density polyethylene (HDPE) film is provided having high biaxial orientation. The film includes a HDPE substrate, at least one outer layer of a propylene copolymer, and at least one layer of an adhesion promoter material positioned between the outer layer and the HDPE substrate, to efficiently mediate adhesion therebetween. The adhesion promoter is preferably a polyethylene mat...

An anisotropic elastic web, particularly an anisotropic elastic film layer having a machine direction and a cross direction and having a thickness of from 20 to 300 microns formed of an extruded blend of a block copolymer elastomer portion and a polyolefin polymer portion blended in a ratio of from 10:1 to 0.4:1, respectively. The elastomer portion generally is a block copolymer elastomer formed o...

The present invention describes a process of making strap using both post consumer and non-post consumer PET of wide distribution intrinsic viscosity (IV) through direct solid state polymerization in a flaked state to produce PET with increased, heterogenous IV suitable for high performance strap extrusion. The process increases the IV of post-consumer resins, consisting principally of polyethylen...

PCT No. PCT/US95/02971 Sec. 371 Date Sep. 12, 1997 Sec. 102(e) Date Sep. 12, 1997 PCT Filed Mar. 14, 1995 PCT Pub. No. WO96/28504 PCT Pub. Date Sep. 19, 1996A process for preparing polyvinylbutyral sheet having a desired uniform adhesivity comprising preparing a blend of polyvinylbutyral and a compatible quantity of a at least one plasticizer and an adhesion control agent, and extruding the blend ...

PCT No. PCT/JP94/00461 Sec. 371 Date Sep. 22, 1995 Sec. 102(e) Date Sep. 22, 1995 PCT Filed Mar. 22, 1994 PCT Pub. No. WO94/21714 PCT Pub. Date Sep. 29, 1994Fluorine-containing resin molded article comprising a molded article of a fluorine-containing resin composition containing 0.1 to 30% by weight of a carbon material, a surface of said molded article being fluorinated. The fluorine-containing r...

A process is provided for preparing a dispersion of a polyamide in water, said process comprising: dissolving a polyamide having an amine value of greater than about 2 in an organic solvent to form a solution of said polyamide in said solvent, said polyamide and said solvent being at a temperature below the softening point of said polyamide during said dissolving, said solution further comprising ...

PROBLEM TO BE SOLVED: To obtain a wide highly conductive PTFE sheet almost uniform in conductivity in a longitudinal direction in a lateral direction. SOLUTION: A highly conductive PTFE sheet is produced by extruding a PTFE pasty compd. containing a conductive substance and an extrusion aid to form an unbaked tubular extrudate 32, and cutting and opening the extrudate 32 at least at one place of t...

PROBLEM TO BE SOLVED: To obtain a hydraulic composition that shows good operability and has improved initial and long-term strength by formulating a high-performance water-reducing agent and a specific inorganic metal salt to a hydraulic substance to which a blast furnace slug powder is formulated more than the value according to the JIS specification. SOLUTION: This hydraulic composition comprise...

The invention relates to a method for increasing efficiency in trade, wherein a customer, in order to obtain a product, a service, and/or the like, uses his/her own data processor (X) to establish over a communications line a contact (Y) with a server (A) which is at least in data transmitting communication with a service supplier (T), whereafter, as the connection has been established, selects, c...

A film comprising a blend of copolymers, which has been extruded (i) to a film having a gauge of less than about 1.8 mils; a dart impact strength of at least about 80 grams per mil at a density of 0.926 gram per cubic centimeter; and a dart impact strength of at least about 480 grams per mil at a density of 0.918 gram per cubic centimeter and/or (ii) to a film having a gauge of less than about 5 m...

A method and apparatus for measuring the depth of fluid in a well and for controlling the speed of a pump which pumps fluid out of the well according to the measured depth is disclosed. The depth of fluid in a well is measured by sending an acoustic pulse into an annulus between the well casing and the production tubing and sensing reflections of the acoustic pulse from collars on the tubing and a...

A unidirectional roller chain system for use primarily in automotive engine camshaft drive applications wherein the tooth (310) profiles of the sprockets are modified for noise reduction wherein the new tooth (310) profile is asymmetrical with flank radii that may differ from the drive side to the coast side of the tooth (310). This configuration lowers the overall noise level of the chain drive s...

An improved method and apparatus for forming a plasma-polymerized methylsilane (PPMS) photo-sensitive resist material includes the steps of pressurizing the chamber to between about 1 to about 2 Torr, heating the substrate to between about 50 DEG C. and about 200 DEG C., and plasma-polymerizing the precursor methylsilane gas to deposit a stable film having high-photosensitivity at high depositio...

A method is disclosed for uniformly doping HSG polycrystalline silicon independent of the other layers of the semiconductor substrate. A semiconductor substrate having a silicon dioxide layer formed superjacent a polysilicon layer is provided in a chamber. A doped rough silicon layer is formed in situ superjacent the silicon dioxide layer. This is accomplished by depositing the silicon layer super...