Abstract: A fastener element for a concealed type slide fastener having a substantially U shaped section including a side edge portion mounting groove for a fastener tape, comprising: a C shaped base portion; flat first and second tape nipping portions extended substantially in parallel from respective front ends of the C shaped base portion; and a coupling portion integrated with an engaging face side on the opposite side to a tape nipping face of the second tape nipping portion, wherein the first tape nipping portion has expanded portions expanded back and forth in a coupling direction, and a front end face of the first tape nipping portion is formed wider than a front end face of the second tape nipping portion, thereby having excellent concealed property and coupling strength and capable of preventing generation of a gap between right and left fastener tapes even if pulling stress is applied.

Abstract: A fastener chain, in which fastener elements each formed into a single unit of synthetic resin are attached at a constant interval along opposing side edges of a pair of fastener tapes, a front surface portion and a rear surface portion are provided on the front and rear sides of the fastener element, the surface of the front surface portion is formed into a curved face entirely swelling out circularly and upward while the rear surface portion is formed into a flat plane which is entirely even, and the front surface and the rear surface of the fastener element may have different shapes or the same shape so as to secure a fastener chain having an excellent tactile feel and beautiful appearance.

Abstract: A slide fastener with a separable bottom end stop, which can be handled easily by everyone and closed or separated easily. The slide fastener with a separable bottom end stop includes a slider through which fastener element rows of a pair of right and left fastener tapes pass; and a separable bottom end stop including a fitting body provided on one of the fastener tapes and a pivot stopper body provided on the other fastener tape and being capable of engaging with the fitting body. The pivot stopper body has a pivot stopper portion which is capable of rotatably engaging with the fitting body by fitting the fitting body in the pivot stopper portion from a side portion of the pivot stopper body and capable of rotatably engaging with the fitting body by inserting the fitting body in the pivot stopper portion through an element guide passage from a shoulder mouth of the slider.

Abstract: An end stop which does not induce separation or deterioration in its mounting portion by fusing part thereof. A linear fastener element row formed of synthetic resin is mounted on a side edge of a fastener tape, and a rod-like body of synthetic resin is inserted into the interior of plural fastener elements located at a final end of the element row. A fused portion is proved by welding only a side of an outer end portion of the rod-like body while a non-fused portion is formed without welding a side of an inner end portion, so the end stop as a top or bottom end stop is produced. The non-fused portion absorbs an impact when a slider collides with the end stop and induces no deterioration in sewing yarn and such. The fused portion integrates the end stop with fastener elements firmly, so a rigid structured end stop is completed.

Abstract: A fastener element for a concealed type slide fastener having a substantially U shaped section including a side edge portion mounting groove for a fastener tape, comprising: a C shaped base portion; flat first and second tape nipping portions extended substantially in parallel from respective front ends of the C shaped base portion; and a coupling portion integrated with an engaging face side on the opposite side to a tape nipping face of the second tape nipping portion, wherein the first tape nipping portion has expanded portions expanded back and forth in a coupling direction, and a front end face of the first tape nipping portion is formed wider than a front end face of the second tape nipping portion, thereby having excellent concealed property and coupling strength and capable of preventing generation of a gap between right and left fastener tapes even if pulling stress is applied.

Abstract: A top end stop of a slide fastener is attached to fastener stringers on a box pin side, and has a first side face opposing a guide column of a slider and a second side face on an opposite side. The first side face has first and second opposing side faces intersecting at an angle of 140° to 150°, and an interval A between the first opposing side face and the second side face being larger than a width C of an element aisle of the slider. An interval B between the second opposing side face and the second side face being equal to or smaller than the width C. A cut-out is provided as a stopper at a position on the second side face at a width E from the first opposing side face.

Abstract: The present invention provides a fastener chain, in which fastener elements each formed into a single unit of synthetic resin are attached at a constant interval along opposing side edges of a pair of fastener tapes, a front surface portion and a rear surface portion are provided on the front and rear sides of the fastener element, the surface of the front surface portion is formed into a curved face entirely swelling out circularly and upward while the rear surface portion is formed into a flat plane which is entirely even, and the front surface and the rear surface of the fastener element may have different shapes or the same shape so as to secure a fastener chain having an excellent tactile feel and beautiful appearance.

Abstract: A resin composition of an ethylene-vinyl alcohol copolymer adheres little to dies and ensures good long-run workability and self-purgeability and its shaped articles have good appearance with few voids and show diminished yellowing.

Abstract: The invention provides an end stop never inducing separation or deterioration in its mounting portion by fusing part thereof. A linear fastener element row formed of synthetic resin is mounted on a side edge of a fastener tape, and a rod-like body of synthetic resin is inserted into the interior of plural fastener elements located at a final end of the element row. A fused portion is provided by welding only a side of an outer end portion of the rod-like body while a non-fused portion is formed without welding a side of an inner end portion, so the end stop as a top or a bottom end stop is produced. The non-fused portion absorbs an impact when a slider collides with the end stop and induces no deterioration in sewing yarn and such. The fused portion integrates the end stop with fastener elements firmly, so a rigid structured end stop is completed.

Abstract: Disclosed are a resin composition comprising an ethylene-vinyl alcohol copolymer and a multi-layered structure comprising the resin composition. The resin composition comprises an ethylene-vinyl alcohol copolymer, and is characterized in that, when it is heated in a nitrogen atmosphere at 220° C., its MFR (at 230° C. under a load of 10.9 kg) shows a minimum value within 10 hours after the start of heating it, and shows a maximum value (MFRmax) within 100 hours after showing its minimum value, that it contains from 0.05 to 4 ?mols/g of a carboxylic acid (A), and that it satisfies the following formulae (1) and (2): 0.5?MFRmax/MFR0?45 ??(1) 0.1?(a1)/(A)?1.0 ??(2) wherein MFRmax indicates the maximum value of MFR (at 230° C. under a load of 10.9 kg) of the resin composition heated in a nitrogen atmosphere at 220° C.; MFR0 indicates MFR (at 230° C under a load of 10.

Abstract: An opening or inverse opening device is attached to a pair of fastener stringers, a top end stop is attached to the stringers on a box pin side, an opposing side face opposing a guide column is comprised of a first and second opposing side faces intersecting at an angle of 140° to 150°. An interval A between the first opposing side face and an opposite side face is larger than a width C of an element aisle, and an interval B between the second opposing side face and the opposite side face is equal to or smaller than the width C. A cut-out is provided as a stopper at a position on the opposite side face by the width C from the first opposing side face. By tilting the top end stop in a direction determined on whether the inclined second opposing side face is disposed on upper or lower side of the top end stop when pulling out, the slider can be removed.

Abstract: The present invention relates to a resin composition having an ethylene-vinyl alcohol copolymer (EVOH) component and a multi-layered structure containing the resin composition.

Abstract: In the present invention, particles of an ethylene-vinyl alcohol copolymer (EVOH) are contacted with a solution containing a boron compound, whereby to obtain a substantially homogeneous distribution of the boron compound within the particles. For example, EVOH and the solution are continuously fed into a treatment apparatus and brought into contact with each other in the treatment apparatus, and the EVOH when continuously removed from the apparatus is in contact with the solution containing the boron compound in a concentration of at least 0.7 times but not more than 1.3 times a solution equilibrium concentration.

Abstract: In the present invention, particles of an ethylene-vinyl alcohol copolymer (EVOH) are contacted with a solution containing a boron compound, whereby to obtain a substantially homogeneous distribution of the boron compound within the particles. For example, EVOH and the solution are continuously fed into a treatment apparatus and brought into contact with each other in the treatment apparatus, and the EVOH when continuously removed from the apparatus is in contact with the solution containing the boron compound in a concentration of at least 0.7 times but not more than 1.3 times a solution equilibrium concentration.

Abstract: Disclosed are a resin composition comprising an ethylene-vinyl alcohol copolymer, and a multi-layered structure comprising the resin composition. Adhering little to dies while worked, the resin composition ensures good long-run workability and self-purgeability; and its shaped articles have good appearance with few voids and are yellowed little. The resin composition is characterized in that the profile of its intrinsic viscosity [&eegr;] in heat treatment at 220° C. in a nitrogen atmosphere satisfies the following formulae (1) to (3), and that it contains from 0.