Patent application number | Description | Published |
20090062463 | Polymer composition for injection moulding - The application relates to a polyethylene composition having a base resin, the base resin comprising (A) a first polyethylene fraction, and (B) a second polyethylene fraction, wherein the melt flow rate MFR | 03-05-2009 |
20100071796 | Polyolefin multilayer pipe - Polyolefin multilayer pipes consisting at least one of the layers of a β-nucleated propylene homopolymer and/or β-nucleated copolymers from 90.0 to 99.9% by weight of propylene and 0.1 to 10.0% by weight of α-olefins. The pipes are to be classified in ring stiffness class ≧4. The pipes are suitable for non pressure pipe applications, preferably for outdoor use, for above as well as underground drainage and sewerage pipe systems, surface water pipes, pipes for cable protection, pipes for cold climate conditions and for indoor use, soil and waste water pipes. | 03-25-2010 |
20110123751 | PROPYLENE POLYMER PIPES FOR PIPELINES - Single- or multilayer propylene polymer pipes and pipe components for pipelines with improved resistance to rapid crack propagation made from a propylene homopolymer with a melt index of 0.05 to 10 g/10 min at 230° C./2.16 kg or propylene block copolymer from 90.0 to 99.9 wt % of propylene and 0.1 to 10.0 wt % of a α-olefins with 2 or 4 to 18 carbon atoms with a melt index of 0.05 to 8 g/10 min at 230° C./2.16 kg or mixtures thereof, wherein the propylene homopolymers or propylene block copolymers are β-nucleated propylene polymers, and the propylene polymer pipes for pipelines made from the β-nucleated propylene homopolymers have a rapid crack propagation characterized by a critical temperature of −5 to +40° C. and a critical pressure≧3 bar below the critical temperature and the propylene polymer pipes made from β-nucleated propylene block copolymers have a rapid crack propagation characterized by a critical temperature of −25 to 0° C. and a critical pressure≧3 bar below the critical temperature. The propylene polymer pipes with improved resistance to rapid crack propagation are suitable for the transportation of fluids and pressurized fluids such as natural gas, water and the like. | 05-26-2011 |
20110132478 | INDUSTRIAL POLYOLEFIN PIPING SYSTEM - Industrial polyolefin piping system with improved stiffness, impact strength for use at high service temperature, comprising single or multilayer pipes, fitting, chambers, valves and vessels, consisting of β-nucleated propylene homopolymers with an IRτ≧0.98 having a tensile modulus ≧1500 MPa, a Charpy impact strength, notched, at +23° C.≧30 kJ/m | 06-09-2011 |
20120302680 | PROPYLENE POLYMERS WITH IMPROVED PROPERTIES - The invention relates to novel propylene polymers with improved properties especially with improved stiffness and impact strength comprising propylene homopolymers or propylene block copolymers with 90.0 to 99.9 wt % propylene and 0.1 to 10 wt % α-olefins with 2 or 4 to 18 carbon atoms, or mixtures thereof, wherein the propylene homopolymers or propylene block copolymers are β-nucleated propylene polymers, whereby the β-nucleated propylene homopolymers have an Irτ≧0.98 and the values for tensile modulus and Charpy impact strength as specified herein. The β-nucleated propylene block copolymers are polymers having an IRτ of the propylene homopolymer block of ≧0.98 and the values for tensile modulus and Charpy impact strength as also specified herein. The propylene polymers with an improved property spectrum are suitable for producing molded parts in a pipe system, such as pipes and fittings, inspection chambers, pipe ducting systems, extrusion or compression molded sheets and the like. | 11-29-2012 |
Patent application number | Description | Published |
20130274795 | DEVICES AND METHODS FOR DELIVERING IMPLANTS FOR PERCUTANEOUS PERFORATION CLOSURE - A device for delivering an implant configured to seal an aperture in a tissue includes: a delivery shaft configured to engage the implant to allow the implant to be maneuvered into sealing engagement with a distal surface of the tissue, the delivery shaft comprising a retaining sleeve comprising a locking projection engagable with a locking recess of the implant to secure the implant to the delivery shaft, and a release sleeve axially slideable relative to the retaining sleeve between a first axial position in which the release sleeve is configured to maintain locking engagement between the locking recess and the locking projection, and a second axial position in which the release sleeve permits the locking projection to disengage the locking recess. | 10-17-2013 |
20140018846 | IMPLANTS AND METHODS FOR PERCUTANEOUS PERFORATION CLOSURE - A device for sealing an aperture in a tissue includes: a foot including a distal portion configured to be disposed distal to the tissue when the device is implanted in a position to seal the aperture; and a flexible wing positionable against a distal surface of the tissue adjacent the aperture such that the flexible wing is disposed between the distal portion of the foot and the distal surface adjacent the aperture. | 01-16-2014 |
20140018847 | PERCUTANEOUS PERFORATION CLOSURE SYSTEMS, DEVICES, AND METHODS - A device for sealing an aperture in a tissue includes: an implant configured to seal the aperture when positioned adjacent to the aperture; and a delivery shaft configured to engage the implant to allow the implant to be maneuvered into sealing engagement with a distal surface of the tissue, the delivery shaft comprising a retaining sleeve comprising a locking projection engagable with the locking recess of the implant to secure the implant to the delivery shaft, and a release sleeve axially slideable relative to the retaining sleeve between a first axial position in which the release sleeve is configured to maintain locking engagement between the locking recess and the locking projection, and a second axial position in which the release sleeve permits the locking projection to disengage the locking recess. | 01-16-2014 |