Patent application number | Description | Published |
20100252609 | HAMMER-DRIVE POWDER-ACTUATED TOOL - A hammer-drive powder-actuated tool includes: a barrel unit inserted movably into a tubular housing; a firing pin holder disposed fixedly in the housing, abutting against a rear end portion of the barrel unit and formed with a through hole; a firing pin disposed movably between a rear open end of the housing and the rear end portion of the barrel unit, having an intermediate portion interconnecting integrally a firing end portion that extends into the through hole in the firing pin holder and a head portion, and operable between a normal position and a firing position; an engaging member sleeved on the intermediate portion of the firing pin for stopping movement of the firing end portion of the firing pin away from the through hole in the firing pin holder; and a biasing member for biasing the firing pin to move toward the normal position. | 10-07-2010 |
20100270351 | HAMMER-DRIVE POWDER-ACTUATED TOOL - A hammer-drive powder-actuated tool includes a hollow tool body extending along a front-to-rear direction, and a firing device disposed within a rear end portion of the tool body. The firing device includes a pin holder having a through hole extending along the front-to-rear direction, and a firing pin movable forwardly and rearwardly relative to the pin holder. The pin has a firing end portion that is disposed at a front end thereof and that extends into the through hole in the pin holder, and a central axis aligned with that of a rimfire cartridge along the front-to-rear direction. A front end of the firing end portion of the firing pin has a diameter larger than the inner diameter of the annular primer and smaller than the outer diameter of the annular primer. | 10-28-2010 |
20110168754 | POWDER-ACTUATED FASTENER-DRIVING DEVICE HAVING SOUND-ABSORBING FUNCTION - A powder-actuated fastener-driving device includes a hollow body including a tubular portion and a handle, and an inner tube movable forwardly and rearwardly within the tubular portion and having a front end disposed outwardly of the tubular portion, and a slot. The front end of the inner tube has an outer surface formed with a position-limiting groove. A stop member is disposed within the tubular portion, and extends into the slot. A sound-absorbing sleeve is sleeved movably on a portion of the tubular portion disposed outwardly of the handle, and has an inner surface formed with a position-limiting block, which is movable forwardly and rearwardly within the position-limiting groove. When the front end of the inner tube is pressed forwardly against an object, the sound-absorbing sleeve comes into contact with the handle. | 07-14-2011 |
Patent application number | Description | Published |
20090287461 | METHODS AND SYSTEMS FOR INTENSITY MODELING INCLUDING POLARIZATION - Embodiments of the present invention provide computer readable media encoded with executable instructions for modeling an intensity profile at a surface illuminated by an illumination source through a mask. Further embodiments provide methods for correcting a mask pattern and methods for selecting an illumination source. Still further embodiments provide masks and integrated circuits produced using a model of the illumination source. Embodiments of the present invention take into account the polarization of the illumination source and are able to model the effect of polarization on the resultant intensity profile. | 11-19-2009 |
20100134774 | CALIBRATION METHODS AND DEVICES USEFUL IN SEMICONDUCTOR PHOTOLITHOGRAPHY - Several embodiments of photolithography devices and associated methods of focal calibration are disclosed herein. In one embodiment, a method for determining a focus shift in a photolithography system include placing a microelectronic substrate on a substrate support of the photolithography system and producing first and second refraction patterns on the photoresist layer corresponding to first and second grating patterns, respectively, of a single reticle by illuminating the first and second grating patterns with an asymmetric monopole source perpendicular to the first and second grating patterns. The method further includes measuring an image shift between the first and second refraction patterns on the photoresist layer and determining a defocus shift of the illumination source based on the image shift. | 06-03-2010 |
20130323627 | Photomasks, Methods Of Forming A Photomask, And Methods Of Photolithographically Patterning A Substrate - A photomask includes a substrate having a device region and an adjacent edge region over transparent material. The device region includes spaced primary features of constant pitch at least adjacent the edge region. The edge region includes spaced sub-resolution assist features of the constant pitch of the spaced primary features at least adjacent the device region and which are off-phase by from about 30° to about 150° from +/−180°. Additional embodiments, including methods, are disclosed. | 12-05-2013 |
20150017575 | Photomasks, Methods Of Forming A Photomask, And Methods Of Photolithographically Patterning A Substrate - A photomask includes a substrate having a device region and an adjacent edge region over transparent material. The device region includes spaced primary features of constant pitch at least adjacent the edge region. The edge region includes spaced sub-resolution assist features of the constant pitch of the spaced primary features at least adjacent the device region and which are off-phase by from about 30° to about 150° from +/−180°. Additional embodiments, including methods, are disclosed. | 01-15-2015 |
Patent application number | Description | Published |
20080319098 | Endodontics Sealer - The present invention discloses an endodontic sealer which comprises a urethane-acrylate oligomer, a diluting monomer, at least one photo-initiator, at least one thermal-initiator, and a filler, wherein the urethane-acrylate oligomer is obtained by firstly reacting the acrylate with the diisocyanate to form an intermediate with only one isocyanate group, and then reacting the intermediate with the polyol to form the desired urethane-acrylate oligomer. | 12-25-2008 |
20080319103 | Polyurethane composite material and application - The present invention discloses a Polyurethane (PU) composite material comprising a thermoplastic polyurethane and a filler. The thermoplastic polyurethane comprises a linear polyurethane main-chain, and the polyurethane main-chain comprises a soft segment and a hard segment. The hard segment of the polyurethane main-chain is formed by a diisocyanate and a chain extender, and the soft segment of the polyurethane main-chain is formed by a polyol. The present invention also teaches the application of the disclosed thermoplastic polyurethane composite material in dental root canal material. | 12-25-2008 |
20090131552 | Endodontics Sealer - The present invention discloses an endodontic sealer which comprises a urethane-monoacrylate oligomer, a diluting monomer, at least one photo-initiator, at least one thermal-initiator, and a filler, wherein the urethane-monoacrylate oligomer is obtained by firstly reacting the acrylate with the diisocyanate to form an intermediate with only one isocyanate group, and then reacting the intermediate with the polyol to form the desired urethane-monoacrylate oligomer. | 05-21-2009 |
20090156710 | Cone Material in Endodontic Treatment - The present invention discloses a cone material in endodontic treatment. The cone material comprises a thermoplastic polyurethane and a filler. The thermoplastic polyurethane is formed by a. isophorone diisocyanate (IPDI) or hexamethylene diisocyanate (HDI), b. poly(butyleneadipate) glycol (PBA) and c. chain extender, wherein the molar ratio of PBA and the diisocyanate is equal to or more than 0.8. By changing the molar composition of the components such as polyol and diisocyanate, physical and chemical property of the disclosed cone material in endodontic treatment can be adjusted. | 06-18-2009 |
Patent application number | Description | Published |
20110214550 | Punching Device - A punching device includes: a base unit including a supporting part having two opposite pivot seats and a die part; a punch unit including a punch that is disposed directly above the die part and between the pivot seats, the punch being slidable against the die part along a vertical axis; and a pressing unit including two driving levers, each of which has a driving protrusion. The driving protrusions of the driving levers are disposed located respectively to two sides of the vertical axis in asymmetrical manner with respect to the vertical axis and are rotatable relative to the base unit to press against the punch unit. | 09-08-2011 |
20120037683 | POWDER-ACTUATED FASTENER-DRIVING DEVICE HAVING SOUND-ABSORBING FUNCTION - A powder-actuated fastener-driving device includes a hollow body including a tubular portion and a handle, and an inner tube movable forwardly and rearwardly within the tubular portion and having a front end disposed outwardly of the tubular portion, and a slot. The front end of the inner tube has an outer surface formed with a position-limiting groove. A stop member is disposed within the tubular portion, and extends into the slot. A sound-absorbing sleeve is sleeved movably on a portion of the tubular portion disposed outwardly of the handle, and has an inner surface formed with a position-limiting block, which is movable forwardly and rearwardly within the position-limiting groove. When the front end of the inner tube is pressed forwardly against an object, the sound-absorbing sleeve comes into contact with the handle. | 02-16-2012 |
20130008302 | RESILIENT RETURNING DEVICE FOR A POWER OPERATED PISTON TOOL - A resilient returning device for a power operated piston tool comprises a one piece elastic bellow-shaped body including a plurality of repeating pleats, each of which has two pleat halves that cooperatively define a first elbow therebetween. Each of the pleat halves of each of the pleats cooperates with an adjacent one of the pleat halves of an adjacent one of the pleats to define a second elbow therebetween. Each of the first and second elbows has a bulging side. The bellow-shaped body is formed with a plurality of loop-shaped grooves that are indented from the bulging sides of the first elbows of the pleats or the bulging sides of the second elbows of the pleats, respectively. | 01-10-2013 |
20130008936 | POSITION-LIMITING DEVICE AND MAGAZINE - A position-limiting device forms a portion of a magazine assembly of a powder-actuated fastener-driving gun, and includes a nail-guiding pipe and a clamping unit. The nail-guiding pipe extends through a sleeve of a magazine assembly such that an end of the nail-guiding pipe is disposed outwardly of the sleeve. The nail-guiding pipe includes a tubular body, a nail passage hole formed in the tubular body and in spatial communication with the nail-receiving space in the magazine housing so as to allow one of the nails to be moved from the magazine housing into the nail-guiding pipe therethrough, and two aligned apertures formed respectively in two opposite sides of the tubular body. The clamping unit is disposed on the nail-guiding pipe, and extends through the apertures for clamping the one of the nails disposed within the nail-guiding pipe. | 01-10-2013 |
20140109741 | Punching Device - A punching device includes: a base including a die part that has a top wall; an abutting member connected to the base; a punch supported on the base, movable relative to the die part and the abutting member between upper and lower positions; and an ejecting unit supported on the base and including a non-compressible ejecting element disposed above and adjacent to the top wall of the die part. The punch is movable relative to the ejecting unit at least during movement of the punch from a middle position to the lower position. The ejecting unit abuts against the abutting member at least when the punch is disposed at the upper position. | 04-24-2014 |
20140165811 | Punching Device - A punching device includes: a housing with a flange part and an upper part; a die part; a punch supported movably on the flange part; and two driving levers abutting against the upper part and the punch and rotatable between initial and cutting positions. Each of the driving levers has a protrusion, first and second end segments and a middle segment between the first and second segments. When the driving levers are disposed at the initial position, the middle segments overlap each other in a second direction. When the driving levers are disposed at the cutting position, the second end segment of one of the driving levers overlaps the first end segment of the other one of the driving levers in the second direction. | 06-19-2014 |