156results about "Welts" patented technology

A welted footwear construction with a direct-attach outsole and an internal tray containing a low density cushioning material. The welt may be secured to the upper and insole by one line of stitching and to the tray by a second line of stitching. The tray may include separate heel and forefoot cavities, each containing a low density cushioning material. The tray may be manufactured from thermoplastic urethane (“TPU”) and may contain low-density polyurethane (“PU”). The low-density PU may be molded in place within the cavities in the tray. The outsole may be directly attached to the undersurface of the tray, and may be manufactured from high-density PU.

An outsole having a plurality of traction elements extending transversely across its lower surface and a plurality of support walls extending transversely across its upper surface. Each of the support walls is uniquely associated with and in substantial vertical alignment with one of the traction elements. In one embodiment, the traction elements include and angled lower wall and a substantially vertical rear wall. In this embodiment, the support walls may be in substantial vertical alignment with the rear wall. In another embodiment, the heel region includes an intersecting grid-like arrangement of support walls in its upper surface.

A footwear construction including an articulated welt. The footwear includes an upper and an outsole secured together with a welt in the forward portion of the footwear. The welt terminates short of the heel region of the footwear. In one embodiment, the outsole in the heel region is secured to a heel cradle which is further secured the upper. The footwear provides the durability of a welt construction in the forward portion of the shoe and the comfort and cushion of an athletic construction in the heel region of the shoe. A method for constructing the footwear includes securing an outsole to an upper with a welt in a forefoot and / or arch region of the shoe but not the heel region of the shoe. Optionally, a heel cradle is disposed in the heel region of the shoe and the outsole is secured to the heel cradle and / or upper in the heel region.

Full overshoes or overshoe slippers with traction soles are lightweight, flexible, and stretchable for easy, compact stowing and convenient mounting over the wearer's shoes. The overshoes or slippers have traction material imbedded in the soles thereof such as disperse gravel, pieces of walnut shell, etc., and may, in addition, have chains similarly imbedded for additional traction. The full overshoes have a slit leading to a shoe entry opening which has a fastener for fastening the sides of the slit together to secure the overshoes on street shoes. The overshoes or slippers are easily folded or rolled into a compact shape for stowing in a small, water proof bag which may be carried in a coat pocket, purse, etc., or glove compartment of a vehicle. The overshoes are particularly useful for anyone who may have to walk on icy sidewalks, parking lots, to and from office, home, stores, etc., or the like when encountering winter weather.

An overshoe that is removably disposable on a user's shoe and provides a tread surface that enhances the user's footing on slippery surfaces. The tread surface has removable spikes that penetrate surfaces and forward-oriented and rearwards-oriented gripping ridges that grip the surface. The ease of pulling on and removing the overshoe is enhanced by using stretch zones that are placed to allow stretching of the overshoe to fit over a shoe or the like without compromising the snugness of the overshoe fit. A spike assembly for use with an overshoe that fits over a person's shoe and enhances a person's contact with the ground, includes a spike having a head operably coupled to a shank; and a button overmolded on the spike and having a neck for removable engagement in a bore defined in the overshoe. A method of minimizing slippage on a ground surface is further included.

The invention is a replaceable golf shoe cleat or spike 10 for use in place of a standard metal spike 4. Winter golf shoe spike 10 preferably has a main cleat body 11 molded from a durable plastic type material in single unitary fashion. A threaded stud 13 is formed on the upper surface of generally concavo-convex flange 12 and protrudes axially therefrom. A plurality of traction ribs 15 are formed on the bottom traction surface of concavo-convex flange 12. While the ribs 15 may be present in a variety of configurations, they are preferably triangular ridges arranged in a radial fashion emanating from the center of concavo-convex flange 12.

The overshoe for running is a protective and padded overshoe adapted to be worn over a running shoe or the like in order to provide additional shock absorption and padding for running on hard surfaces, such as pavement, cement and the like. The overshoe is in the form of a unitary body formed from a resilient material. The unitary body includes a sole having opposed upper and lower surfaces, and a peripheral wall extending from the periphery of the upper surface of the sole. The peripheral wall and the sole define an open interior region adapted for receiving the shoe. The overshoe is preferably dimensioned and configured to snugly receive the shoe so that the overshoe is removably secured thereto during use. An additional releasable fastener may be added for further securing the unitary body to the shoe.

A traction device for a boot has a felt platform with a toe section and a heel section, and a heel extension attached to the heel section. Cording passes through two pairs of passages in each of the toe section and the heel extension. On each side, the cording passing from a toe section passage to a heel extension passage forms a side stringer, and the cord extending beyond the heel extension forms a cord extension segment. Loops are provided on each side stringer, and the cord extension segments are each passed through one of the loops before being cinched to tighten the cording against the boot. Preferably, a single length of cord is employed and the loops are tied into the side stringers. It is also preferred for the toe section passages to be positioned on ear extensions that protrude from a body of the felt platform.

The sandal with interchangeable upper includes a sole portion and an instep enclosing section. The instep enclosing section is removably attached at first and second side edges adjacent the inner and outer edges of the sole portion, respectively. When the instep enclosing section is removed from the sole portion, a second section can be substituted for the first instep enclosing section. The instep enclosing section is attached to the sole portion using at least one pair of side hooks. These side hooks are sized and shaped to removably engage a pair of hook engagers located in the sole portion. The hook engagers are moved from a first, engaging position to a second disengaging position by at least one engager actuator. The side hooks and hook engagers may be vertically or horizontally oriented. An alternative instep enclosing has a toe-separating portion secured to the sides and front of the sole portion.

A footwear construction including an articulated welt. The footwear includes an upper and an outsole secured together with a welt in the forward portion of the footwear. The welt terminates short of the heel region of the footwear. In one embodiment, the outsole in the heel region is secured to a heel cradle which is further secured the upper. The footwear provides the durability of a welt construction in the forward portion of the shoe and the comfort and cushion of an athletic construction in the heel region of the shoe. A method for constructing the footwear includes securing an outsole to an upper with a welt in a forefoot and / or arch region of the shoe but not the heel region of the shoe. Optionally, a heel cradle is disposed in the heel region of the shoe and the outsole is secured to the heel cradle and / or upper in the heel region.

A sole saver, including at least partially transparent material with a sticky backing and a removable cover for the sticky backing. A side of the material opposite the sticky backing includes a tread pattern that improves traction provided by the sole saver when the sticky backing is used to adhere the sole saver to a sole of a shoe.

A resilient anti-fatigue layer shaped to fit under the sole and heel of a shoe of a wearer includes a mat of fibers heat bonded together with a tight surface against the sole and a loose surface against the floor. The mat of fibers includes a generally flat portion shaped to match the bottom of the shoe and a plurality of tabs formed of the mat at the edges of the bottom portion and projecting beyond the edges of the bottom portion with at least one tab at the front, two tabs at the rear and at least one tab at each side, with each tab having attached thereto a respective strap. The straps provide a on each side a single strap which extends from the front side connection tab, through slots provided in a toe connection member to the rear side tabs, to the heel tabs and over the foot.

The invention is a replaceable golf shoe cleat or spike 10 for use in place of a standard metal spike 4. Winter golf shoe spike 10 preferably has a main cleat body 11 molded from a durable plastic type material in single unitary fashion. A threaded stud 13 is formed on the upper surface of generally concavo-convex flange 12 and protrudes axially therefrom. A plurality of traction ribs 15 are formed on the bottom traction surface of concavo-convex flange 12. While the ribs 15 may be present in a variety of configurations, they are preferably triangular ridges arranged in a radial fashion emanating from the center of concavo-convex flange 12.

A crampon capable of being worn on general footwear for golf shoes and climbing irons is disclosed, in which because of small volume and light load, the crampon has a cheap and conveniently portable advantage. The crampon includes a spike pad of an elastic material provided with a plurality of spikes; a limb band having first bands extending towards a toe of shoes from two corners of the spike pad and second bands extending towards a heel of the shoes from two corners, the first bands and the second bands being symmetrically formed; a circular-shaped ring band connecting front ends of the limb band and made of an elastic material; a trapezoidal toe locking opening formed by the first bands and a first arc portion of the ring band connecting the first bands; a heel locking opening formed by the second bands and a second arc portion of the ring band connecting the second bands; and front left and right holding portions formed by a third arc portion connecting the first arc portion and the second arc portion; in which the second arc portion formed at a rear portion of the second bands extends in a circular shape, and a heel pad for supporting a heel of the shoes is coupled to the second arc portion via the heel limb band.

A welted footwear construction with a direct-attach outsole and an internal tray containing a low density cushioning material. The welt may be secured to the upper and insole by one line of stitching and to the tray by a second line of stitching. The tray may include separate heel and forefoot cavities, each containing a low density cushioning material. The tray may be manufactured from thermoplastic urethane (“TPU”) and may contain low-density polyurethane (“PU”). The low-density PU may be molded in place within the cavities in the tray. The outsole may be directly attached to the undersurface of the tray, and may be manufactured from high-density PU.

Disclosed are chain-type crampons for preventing mountain-climbing boots from being slipped on a snowy road or icy road when climbing a mountain. The crampons having an elastic band and chains mounted on the band are provided with a plurality of spikes and link rings, so that a brake power on the snowy road or icy road is increased and snow is not adhered to the crampons.

A universal footwear includes removable cleats employable during indoor and outdoor activities such as sports, for example. The footwear includes a sole having toe, arch and heel portions respectively. Such a toe portion is provided with a plurality of receptacles, the arch portion includes a gel pack, and the heel has a bottom surface provided with a plurality of receptacles spaced thereabout. The apparatus further includes a body secured to the sole and a plurality of traversing straps extending thereacross for assisting to maintain an operator's foot at a stable position. A plurality of cleats are provided and are removably engageable with said plurality of receptacles, as desired by a user. One pair of shoes can be used for more than one sport thereby allowing a user to attach cleats to the shoe for any sport or remove all cleats from the shoe for casual wear.

An ice crampon for mountain climbing comprising a reinforcement 12B with a metal reinforcement, fitted with anchoring teeth 14, and a fastening device 30 comprising a lateral operating lever 32 forming a toggle joint for locking or unlocking the heel of the shoe along the pivoting direction of the operating lever 32.

The invention discloses an ultra low temperature fast vulcanization strengthening adhesive used by rubber shoes and a preparation method of the strengthening adhesive, which is characterized in that: firstly, natural rubber is masticated to form masticated rubber, product A is obtained by mixing the masticated rubber and the synthetic rubber, the product B is obtained by mixing the polyethylene glycol and the silica, the product C is obtained by mixing the vulcanizing agent, the vulcanization accelerator and the vulcanization active agent; the product A is put into the rubber refiner to be refined for 0.5 to 1 minute, the product C is added into the rubber refined and keep on refining for 2 to 5 minutes, and then softener is added into the refiner to be refined homogenously, when the discharged material reaches the flattening machine, the supplementary re-processing is carried out to obtain the rubber compound, at last sulfur is added into the rubber compound to obtain the ultra low temperature fast vulcanization strengthening adhesive. The preparation method of the strengthening adhesive has the advantages that: the prescription of the strengthening adhesive materials are improved, the crosslinking stress of the strengthening adhesive is enhanced, thus, the crosslinking stress is ensured to be larger than the rebound force of the outsole plus the expansive force produced by the foaming sponge, and the crosslinking calibration speed is increased; meanwhile, the rubber foxing delamination problem is totally avoided.

A traction system for use on conventional flexible footwear is provided that includes both toe and heel sections that are independently attached to a wearer's footwear and are connected with a flexible linkage. The flexible linkage allows the traction system to move with the normal movement of the flexible footwear so as to provide a natural walking and running movement. The traction system provides numerous benefits over previously available crampon and other spiked traction systems, including flexibility, light weight, practical usability with a wide variety of footwear types—including highly flexible footwear such as running shoes, compactability, and ready adjustability between different sizes and types of footwear.

A method for making a shoe outsole comprises placing rubber against a coating of cured rubber cement on a segment of fabric, heating the rubber to a temperature below the melting points of the cured rubber cement and the rubber, but high enough to render the cured rubber cement and the rubber tackily adherent to each other and vulcanizing the rubber, thereby to adhere the segment of fabric to the rubber, and cooling the vulcanized rubber to form an outsole having an exposed ground-contacting surface that includes the segment of fabric.

An article of waterproof footwear is provided which contains a sole (1) joined to an insole (2) and to a welt (3) which encloses the lower edge of an upper (4), the inner surface of which is lined by a preferably semi-permeable membrane (6). The lower edge of the membrane is glued to a waterproof tape (7) joined to the insole (2). The welt (3) is preferably made in a single piece of plastic or rubber material with the sole (1). A process of manufacturing the waterproof footwear is also provided.

The present invention is directed to a footwear construction having an insert of unitary structure and made of a single flexible material for providing increased structural support and strength of the footwear while maintaining flexibility of the footwear. Unlike the prior art insert, the present invention makes use of only a single material is used to manufacture the insert. A preferred material should be pliant or flexible and yet can provide the strength and structural support to the footwear in which the insert is used. Instead of using materials of different softness for the various sections in the insert to facilitate bending of the footwear, openings are added to various locations in the insert to facilitate planar bending movement. Such openings are commonly located in the forefoot section. To increase structural support and strength to the footwear, the insert is fixedly secured to the footwear. In accordance with one embodiment of the present invention, the insole construction has a flange, which is stitched to the other layers in the footwear, for example using a welt.

A sole component and a method of manufacturing the sole component are disclosed. In general, the sole component includes a fluid-filled bladder and a reinforcing structure extending around the bladder. The reinforcing structure is bonded to the exterior of the bladder, and may be recessed into the bladder. In some embodiments, the reinforcing structure extends along the side surfaces of the bladder and between upper and lower surfaces of bladder. In manufacturing the sole component, the reinforcing structure may be located within a mold, and the polymer material forming the bladder may be bonded to the reinforcing structure during the molding process.

The invention relates to a rubber shoes surrounding strip press fit machine capable of improving press fit quality. The rubber shoes surrounding strip press fit machine comprises a base, a top plate, a first strut, a second strut, a first cylinder, a second cylinder, a shoe die supporting plate, a rotating mechanism, a reinforced press fit mechanism and a PLC. The rubber shoes surrounding strip press fit machine capable of improving press fit quality is ingenious in design and high in feasibility and has dual press fit functions, and the cylinders arranged on the base can fix the shoes and perform press fit on a surrounding strip. The reinforced press fit mechanism which the rubber shoes surrounding strip press fit machine is uniquely provided with can perform omnidirectional press fit on the surrounding strip through a rotating mode, and the rubber shoes surrounding strip press fit machine has a series of protection measures, so that the damage to the shoes caused by the cylinders can be avoided.

A resilient anti-fatigue layer shaped to fit under the sole and heel of a shoe of a wearer includes a mat of fibers heat bonded together with a tight surface against the sole and a loose surface against the floor. The mat of fibers includes a generally flat portion shaped to match the bottom of the shoe and a plurality of tabs formed of the mat at the edges of the bottom portion and projecting beyond the edges of the bottom portion with at least one tab at the front, two tabs at the rear and at least one tab at each side, with each tab having attached thereto a respective strap. The straps provide a on each side a single strap which extends from the front side connection tab, through slots provided in a toe connection member to the rear side tabs, to the heel tabs and over the foot.