36results about How to "Suppression of poor appearance" patented technology

Proposed is a pneumatic tire which has an excellent balance between tire weight reduction and steering stability. The height (H) of a bead filler (6) from a bead heel (3a) is set to 10-30 mm, and an inner liner (9) arranged inside a carcass layer (4) is configured of a thermoplastic resin that has a Young's modulus of 70-1500 MPa and a thickness of 0.05-0.25 mm or a thermoplastic elastomer composition that is obtained by blending a thermoplastic resin component and an elastomer component. An end portion (9a) of the inner liner (9) is positioned inside a radially outer end portion (6a) of the bead filler (6) in the tire radial direction.

Provided is a resin composition containing a saponified ethylene-vinyl ester copolymer (A) and fatty acid metal salts, the resin composition being intended to make it possible to form a multilayer structure having suppressed occurrence of defects of appearance and improved deterioration of color tone during melt molding, wherein the resin composition is characterized in that the fatty acid metal salts are at least two fatty acid metal salts selected from C3-12 fatty acid metal salts (B), C13-20 fatty acid metal salts (C), and C21-29 fatty acid metal salts, and at least one among the fatty acidmetal salts selected from (B), (C), and (D) is a zinc salt.

When injection molding using an electrically conductive material, the present invention limits the lengthening of injection molding cycles and the occurrence of molded product appearance defects and imparts uniform electric conductivity to the molded product. An injection molding apparatus is provided with a heating and injection means for heating and melting an electrically conductive material toa flowable temperature and injecting same into a molding mold. In said molding mold, at least a portion of forming surface of the cavity has multiple electrically conductive sections that are insulated from each other and a prescribed voltage is applied between the electrically conductive sections. A static mixer is provided in the region from the tip of the heating and injection means to the flow channel for the electrically conductive material.

A pneumatic tire 1 comprises a carcass 6 comprising at least one carcass ply 6A extending between bead portions 4 via sidewall portions 3 and a tread portion 2. The carcass ply 6A comprises strip-shaped ply pieces 11 longer in a tire radial direction than in a tire circumferential direction arranged circumferentially. Each of the ply pieces 11 comprises a plurality of carcass cords 12 arranged in parallel in the tire radial direction and at least partly overlapping each other with the ply pieces 11 circumferentially adjacent. At least one of the carcass cords 12 arranged in at least one of side edge portions 11e in the tire circumferential direction of each of the ply pieces 11 having a diameter (Ce) smaller than a diameter (Cc) of at least one of the carcass cords 12 arranged in a center portion 11c of each of the ply pieces 11.

An optical member for use in an image display device provided with the optical member, a transparent protective member, and an adhesive layer interposed therebetween, and further provided with an image display disposed on the side opposite from the adhesive layer on the optical member. The optical member satisfies condition (1); that is, an evaluative adhesive having an isoprene polymer as the principal component thereof and containing 14 wt% of dicyclopentenyloxyethyl methacrylate, 8 wt% of benzyl methacrylate, 2 wt% of methyl methacrylate, and 0.2 wt% of a photopolymerization initiator is dripped in an amount of 10 µL onto the surface of the optical member and then allowed to stand for 5 minutes, whereupon the contact angle between the optical member and the evaluative adhesive is 55° or less. The invention provides an optical member in which appearance defects due to bubbles forming between the optical member and the transparent protective member can be reduced, and further provides an image display device in which such appearance defects are reduced through the use of the optical member.

The present invention relates to a flexible metal foil laminate comprising a multilayer polyimide film, said multilayer polyimide film comprising: a metal foil; a first polyimide layer on said metal foil, and having a glass transition temperature below 300°C; the second polyimide layer is located on the first polyimide layer; and the third polyimide layer is located on the second polyimide layer. The flexible metal foil laminate of the present invention solves the problem of poor appearance caused by blistering during the curing process in a continuous curing machine using infrared rays as a heat source, and does not cause delamination due to its excellent adhesion. The directional conductive adhesive film has excellent adhesion and dimensional stability, so it is useful in the manufacture of flexible printed circuit boards.

The present invention provides an insulating coating treatment solution capable of forming a chromium-free insulating coating excellent in moisture absorption resistance, capable of imparting high tension, and excellent in reducing iron loss, and capable of suppressing the occurrence of coating unevenness when coating a steel plate. resulting in poor appearance. The insulating coating treatment solution is used to form a chromium-free insulating coating on the surface of the grain-oriented electrical steel sheet, and the insulating coating treatment solution contains: one of the phosphates selected from Mg, Ca, Ba, Sr, Zn, Al, and Mn or two or more phosphates; colloidal silica; and particles of compounds containing metal elements, with respect to 100 parts by mass of the phosphate, the content of the colloidal silica is expressed as SiO 2 The solid content is 50 to 120 parts by mass in terms of solid content, and the content of the particles of the compound containing metal elements is 5 to 60 parts by mass in terms of metal elements, and the thixotropic index (TI) of the insulating coating treatment solution is 1.00 Above and below 10.00.

In gas-shielded arc welding using a primer-coated steel sheet as a base material and using an active gas and a flux-cored wire, occurrence of poor appearance of the welded part due to porosity defects originating from the primer is suppressed. In a method for producing a welded product in which a first steel plate and a second steel plate made of a primer-coated steel plate are arranged in a T-shape and welded at the corners formed at the two places, the inner side of the outer skin made of steel is filled with flux. The flux-cored wire (100) and the shielding gas (carbon dioxide) are formed, and the welding current is supplied to the corner by the flux-cored wire (100) through the arc under the shielding gas, and a molten pool (400) is formed at the corner, and for the welding An alternating magnetic field is applied to the pool, so that the welding current (A) and the magnetic flux density (mT) of the alternating magnetic field have the relationship of 20000≤welding current×magnetic flux density≤30000, and the welding current and alternating magnetic field are set in this way.

A pneumatic tire 1 comprises a carcass 6 comprising at least one carcass ply 6A extending between bead portions 4 via sidewall portions 3 and a tread portion 2. The carcass ply 6A comprises strip-shaped ply pieces 11 longer in a tire radial direction than in a tire circumferential direction arranged circumferentially. Each of the ply pieces 11 comprises a plurality of carcass cords 12 arranged in parallel in the tire radial direction and at least partly overlapping each other with the ply pieces 11 circumferentially adjacent. At least one of the carcass cords 12 arranged in at least one of side edge portions 11e in the tire circumferential direction of each of the ply pieces 11 having a diameter (Ce) smaller than a diameter (Cc) of at least one of the carcass cords 12 arranged in a center portion 11c of each of the ply pieces 11.

A fiber-reinforced thermoplastic resin member welding method includes: heating, by a heating unit, a welding target portion in which plural fiber-reinforced thermoplastic resin members layered on topof each other, each of the plural fiber-reinforced thermoplastic resin members including thermoplastic resin as a main composition, and the thermoplastic resin including reinforcing fibers; applying pressure, by a pressure applying unit, to the welding target portion; and cooling, by a cooling unit, at least a surface of the welding target portion at the same time as when the welding target portion is being heated by the heating unit or after the welding target portion has been heated by the heating unit.

A pneumatic tire includes a tread portion molded by sectors divided in a tire circumferential direction. The pneumatic tire includes circumferential grooves, rows of land portions, and sipes. The circumferential grooves extend in the tire circumferential direction in the tread portion. The rows of land portions are defined by the circumferential grooves. The sipes extend in a tire width direction in at least one row of the rows of land portions. The sipes include at least one shallow bottom sipe and regular sipes. The at least one shallow bottom sipe is disposed in a boundary region including a dividing position of each of the sectors. The regular sipes are disposed at positions more separated from the dividing position of each of the sectors than the at least one shallow bottom sipe. The at least one shallow bottom sipe is shallower than the regular sipes.

The invention aims to provide a transparent electrically conductive film capable of suppressing the occurrence of damage or crack of organic conductive layer and capable of improving the writing durability for the pen input of touch panel, for example, and a touch panel including the same. A transparent electrically conductive film (11) is formed by providing a soft resin layer (13) on a transparent substrate (12) and laminating an organic conductive layer (14) thereon; under the condition that temperature is 20 degrees centigrade and relative humidity is 50%, the Martens hardness of the softresin layer (13), tested by a ultramicroscopic hardness testing device, is 0.1-70N / sq.mm and the soft resin layer has self-repairing property. The soft resin layer (13) is formed by coating a hard composition to the transparent substrate (1) and hardening it. The hard composition contains a specific repeated unit of 10-90% by weight. The organdic conductive high molecule forming the organic conductive layer (14) can be selected from polythiophene, polypyrrole, polyaniline or polyquinoxaline.

A method for manufacturing a radome, the radome covering a radar unit for detecting a situation around a vehicle, comprising the steps of preparing: a base part having a recess formed by a transparent layer, and a colored layer is stacked on a portion other than the recess; a glossy member including a base portion and an edge portion having a glossy layer on a surface thereof, the base portion and the glossy member are arranged such that the edge portion of the glossy member abuts the colored layer of the base portion, In addition, the glossy layer of the base portion faces the concave portion, and the edge portion and the colored layer are fixed.

This Ag alloy sputtering target comprises an Ag alloy that includes Ge and In, and the crystallite diameter thereof as derived by the Scherrer equation is 220 angstrom or less. The Ag alloy preferably has a composition containing In in a range of 0.1-1.5 mass% (inclusive) and Ge in a range of 0.1-7.5 mass% (inclusive), the balance being Ag and unavoidable impurities.

Provided is a pneumatic tire for which it is possible to improve braking performance on a wet road surface and a snowy road surface without changing the appearance of the tire and reduce the possibility of the appearance being degraded. The tread portion 1 of this pneumatic tire has: a plurality of circumferential grooves 9 that extend in the tire circumferential direction; a plurality of rows ofland portions 10 that are partitioned by the circumferential grooves 9; and a plurality of sipes 20 that extend in the tire width direction in at least one row of the land portions 10. The tread portion 1 is molded by a plurality of sectors which are divided in the tire circumferential direction. The sipes 20 include: at least one shallow sipe 21 that is disposed in a boundary region S including the sector division position P; and a plurality of normal sipes 22 that are arranged at positions further away from the sector division position P than the shallow sipe 21. The shallow sipe 21 is madeshallower than the normal sipes 22.

The present invention proposes a pneumatic tire that achieves a high degree of weight reduction and driving stability of the tire. The height H of the bead filler (6) from the tire heel (3a) is 10-30 mm, and the inner liner (9) arranged inside the carcass layer (4) has a Young's modulus of 70-1500 MPa, a thickness of It is composed of a thermoplastic resin of 0.05-0.25mm or a thermoplastic elastomer composition mixed with a thermoplastic resin component and an elastomer component, and the end (9a) of the inner liner (9) is located The radially outer end portion (6a) is closer to the radially inner side of the tire.

A tire vulcanization mold including a sector mold divided into a plurality of pieces along a circumferential direction of a green tire, the sector mold configured to vulcanization mold a tread portion of the green tire into a predetermined shape, and an upper mold and a lower mold disposed on both sides of the green tire so as to sandwich the green tire therebetween in an axial direction of the green tire, the upper mold and the lower mold configured to vulcanization mold a side portion of the green tire into a predetermined shape. The sector mold has a relief groove in a vicinity of a fitting portion between the sector mold, and the upper mold and the lower mold.

Provided is a pneumatic tire that makes it possible to improve braking performance on a wet road surface and a snow road surface while the outer appearance of the tire remains unchanged and reduce occurrence of deterioration of outer appearance. In a pneumatic tire which is provided with a plurality of rows of land sections partitioned by a plurality of circumferential grooves extending in the tire circumferential direction, and in which a tread section is formed from a plurality of sectors divided in the tire circumferential direction, a plurality of sipes extending in the tire width direction are formed in the land sections. Three-dimensional sipes in which the sipe shape appearing on the tread surface varies in the depth direction of the sipes, and two-dimensional sipes in which the sipe shape appearing on the tread surface is constant in the depth direction of the sipes are provided. The ratio R1 of the number of three-dimensional sipes to the total number of sipes in a first boundary region within 15 mm on one side in the circumferential direction of the tire, centered on the division position of the sector block, and the ratio Rt of the number of three-dimensional sipes to the total number of sipes on the entire tread portion satisfy the relation of R1< Rt.

[Problem] An object of the present invention is to provide: a planter bottom member that enables improvement in durability by suppressing decay or occurrence of mold or the like on the side wall lower end side of a planter having a wooden side wall; and a planter using the bottom member and having excellent durability. [Solution] A bottom member 2 is attached to a side wall member 1 formed of a wood material and having a cylindrical shape opened at upper and lower sides. The bottom member 2 includes: a lower surface cover portion 3 formed of a synthetic resin, having a ring shape in plan view, and having lower end receiving portions 32 for receiving a lower end surface of the side wall member 1; an outer wall cover portion 4 formed continuously to the lower surface cover portion 3 and provided so as to cover an outer circumferential surface of a lower end portion of the side wall member 1; and a bottom portion 5 formed continuously inward from the lower surface cover portion 3 and having a draining hole. The lower end opening of the side wall member 1 is closed by the bottom portion 5, the lower surface of the side wall member 1 is covered by the lower surface cover portion 3, and the lower end outer circumference of the side wall member 1 is covered by the outer wall cover portion.