Patent application number | Description | Published |
20100105810 | POLYALKYLENE GLYCOL CHAIN-CONTAINING THIOL POLYMER, THIOL-MODIFIED MONOMER, MIXTURE THEREOF, AND ADMIXTURE FOR CEMENT - To provide a polyalkylene glycol chain-containing thiol polymer which is excellent in various performances, particularly significantly excellent in cement dispersibility, and useful in various applications such as an admixture for cement; a thiol-modified monomer or a mixture thereof, which can produce such a polymer; production methods of the polymer and the monomer; and a dispersant and an admixture for cement, each including the polymer. The polyalkylene glycol chain-containing thiol polymer of the present invention is a polyalkylene glycol chain-containing thiol polymer, wherein the polymer comprises a polyalkylene glycol chain and a polymer segment bonded to at least one end of the polyalkylene glycol chain with a sulfur atom-containing group therebetween, the polymer segment includes a constitutional unit derived from an unsaturated monomer component, and the unsaturated monomer component includes an unsaturated carboxylic acid monomer and an unsaturated polyalkylene glycol monomer. | 04-29-2010 |
20110046269 | NOVEL POLYMER AND CEMENT ADMIXTURE USING THE SAME - The present invention provides a novel polymer, and a mixture and a cement admixture thereof. The cement admixture has higher dispersibility compared to the previous ones. The novel polymer of the present invention has a different structure from the conventional copolymers used for cement admixtures, using an unsaturated carboxylic acid monomer and an unsaturated polyalkylene glycol monomer as the monomer components. | 02-24-2011 |
20120208949 | POLYALKYLENE GLYCOL CHAIN-CONTAINING THIOL POLYMER, THIOL-MODIFIED MONOMER, MIXTURE THEREOF, AND ADMIXTURE FOR CEMENT - To provide a polyalkylene glycol chain-containing thiol polymer which is excellent in various performances, particularly significantly excellent in cement dispersibility, and useful in various applications such as an admixture for cement; a thiol-modified monomer or mixture thereof, which can produce such polymer; production methods of the polymer and the monomer; and a dispersant and an admixture for cement, each including the polymer. The polyalkylene glycol chain-containing thiol polymer is a polyalkylene glycol chain-containing thiol polymer, wherein the polymer comprises a polyalkylene glycol chain and a polymer segment bonded to at least one end of the polyalkylene glycol chain with a sulfur atom-containing group therebetween, the polymer segment includes a constitutional unit derived from an unsaturated monomer component, and the unsaturated monomer component includes an unsaturated carboxylic acid monomer and an unsaturated polyalkylene glycol monomer. | 08-16-2012 |
20160031759 | POLYCARBOXYLIC ACID POLYMER FOR BLENDING IN CEMENT - An object of the present invention is to provide a polycarboxylic acid polymer for blending in cement for a cement composition superior both in dispersion and dispersibility-retention. The object was achieved by providing the present invention of a polycarboxylic acid polymer for blending in cement, | 02-04-2016 |
Patent application number | Description | Published |
20120241416 | SPOT WELDING APPARATUS AND SPOT WELDING METHOD - There are provided a spot welding apparatus and a spot welding method. A workpiece is clamped between a combination of a second welding electrode and a receiving unit that abut against a thinner plate, and a first welding electrode that abuts against a second thicker plate, a pressure is applied to the workpiece by the first welding electrode, and a current is passed between the welding electrodes. Consequently, a satisfactory nugget is formed over from the thinner plate to the second thicker plate. Similarly, a workpiece is clamped between a combination of the first welding electrode and the receiving unit that abut against a thinner plate, and the second welding electrode that abuts against a second thicker plate, a pressure is applied to the workpiece by the second welding electrode. Consequently, a satisfactory nugget is formed over from the thinner plate to the second thicker plate. | 09-27-2012 |
20150273620 | Member Joining Structure - A first member has through holes. A linking member has a first holding portion and a second holding portion that hold an inner circumferential face and outer circumferential face of the first member; and engaging protrusions are formed on the first holding portion and second holding portion. The engaging protrusions are inserted into the through holes, and joined by joining portions formed thereupon. An attaching portion continues to the base edges of the first holding portion and second holding portion via a first supporting portion and a second supporting portion. | 10-01-2015 |
20160067813 | VEHICLE BODY MANUFACTURING APPARATUS - A vehicle body manufacturing apparatus includes: a jig that holds one work of the vehicle body, positions the one work to the another work, and joins the works together at a joint section; a welding gun that welds a weld portion in the joint section by an electrode that is moved along a pressure axis and pressed against the weld portion; and a welding position fixing member that regulates the pressure axis, along which the electrode is moved, within a setting area, the welding position fixing member being movable in a coaxial direction to the pressure axis along which the electrode is moved, being contactable with the joint section to interpose the joint section between the jig and the welding position fixing member, and having a controllable pressure at a time of welding the weld portion by the electrode, which is moved at the time of welding. | 03-10-2016 |
20160068208 | VEHICLE BODY MANUFACTURING APPARATUS - A vehicle body manufacturing apparatus includes: a jig frame structure in which an upper jig frame out of multiple upper jig frames is replaceably disposed according to a vehicle type; a clamp jig that clamps a work of a vehicle body supported by the jig frame structure; an articulated arm that supports the clamp jig movably relative to the vehicle body; a fitting member provided in the clamp jig; and a fitting receiving member that is provided in the upper jig frame and guides the clamp jig to a predetermined clamp position of the vehicle body by fitting to the fitting member. | 03-10-2016 |
20160068209 | VEHICLE BODY MANUFACTURING APPARATUS - A vehicle body manufacturing apparatus includes a left side jig configured to be disposed on a left lateral side of a vehicle body, and a right side jig configured to be disposed on a right lateral side of the vehicle body. The left side jig is formed to be divided into a left front jig on a front side and a left rear jig on a rear side, and the right side jig is formed to be divided into a right front jig on a front side and a right rear jig on a rear side. The left side jig and the right side jig performs clamping for positioning and pre-assembling by coming into contact with the vehicle body from the outside of the vehicle body as well as clamping for positioning and pre-assembling by extending into the inside of the vehicle body. | 03-10-2016 |
20160068210 | VEHICLE BODY MANUFACTURING APPARATUS - A vehicle body manufacturing apparatus includes: side jig frames disposed respectively on the right and left sides of a vehicle body; an upper jig frame installed between the side jig frames, the upper jig frames including a pair of front and rear frame members insertable into the inside of the vehicle body through front and rear openings of the vehicle body, respectively; a connection mechanism that removably connects insertion ends of the pair of frame members; and a clamping mechanism that is held on the upper jig frame and that positions the vehicle body. | 03-10-2016 |
20160082687 | HEMMED STRUCTURE AND HEMMING METHOD - A hemmed structure includes a first member and a second member. The first member is a sheet-like member including a thermoplastic resin and includes an inner bent portion formed at a position at which an end portion of the first member is bent. The second member is a sheet-like member a metal material and includes an outer bent portion formed at a position at which an end portion of the second member is bent. The outer bent portion is disposed so as to wrap around the inner bent portion, and the end portion of the second member is disposed inside the inner bent portion. A brittle portion is formed on an inner surface of the inner bent portion. | 03-24-2016 |