Flexible lightweight arc flash and flash fire resistant polyvinylchloride fabric and garments and methods therefor

A light weight flexible flame, arc flash and flash fire resistant fabric for protective garments is made from a flexible polyvinylchloride sheet having phthalate or phthalate free plasticizers coated with well defined parallel lines or grids of adhesive layer. The adhesive coated polyvinylchloride sheet contacts a non-woven meta-aramid fiber liner and is heated to produce a bond between the polyvinylchloride sheet and the liner. Both polyvinylchloride sheet and meta-aramid non-woven liner resist heat. When heat from arc flash or flash fire is applied, the heat is conducted away at local contacting regions of the adhesive with the polyvinylchloride sheet to the liner whereby the temperature of the polyvinylchloride is locally reduced preventing sagging, charring or burning of the space between adhesive contacting regions. This structure produces mechanically strong lightweight arc flash and flash fire resistant fabric suited for producing garments that meet all ASTM specifications for fireproof garments.

Flexible Lightweight Arc Flash and Flash Fire Resistant Polyvinylchloride Fabric and Garments and Methods Therefor

A light weight flexible flame, arc flash and flash fire resistant fabric for protective garments is made from a flexible polyvinylchloride sheet having phthalate or phthalate free plasticizers coated with well defined parallel lines or grids of adhesive layer. The adhesive coated polyvinylchloride sheet contacts a non-woven meta-aramid fiber liner and is heated to produce a bond between the polyvinylchloride sheet and the liner. Both polyvinylchloride sheet and meta-aramid non-woven liner resist heat. When heat from arc flash or flash fire is applied, the heat is conducted away at local contacting regions of the adhesive with the polyvinylchloride sheet to the liner whereby the temperature of the polyvinylchloride is locally reduced preventing sagging, charring or burning of the space between adhesive contacting regions. This structure produces mechanically strong lightweight arc flash and flash fire resistant fabric suited for producing garments that meet all ASTM specifications for fireproof garments.

Boots With Polymeric Foam Shell And Exposed Sock Liner

A boot comprises: a shell comprising a first foamed polymeric material; a sock liner comprising a second foamed polymeric material, the sock liner having an exposed section and an enclosed section; and an adhesive layer affixing the shell and the enclosed section of the sock liner; wherein there is an absence of intermingling of the second surface of the enclosed section of the sock liner with the inner surface of the shell. Methods of making and using the boot are also provided. 1. A boot comprising:a shell comprising a first foamed polymeric material; anda sock liner comprising a second foamed polymeric material, the sock liner having an exposed section and an enclosed section, the enclosed section being enclosed by the shell;wherein there is an absence of intermingling of a second surface of the enclosed section of the sock liner with an inner surface of the shell.2. The boot of claim 1 , wherein the shell is a unitary layer.3. The boot of further comprising an adhesive layer affixing the inner surface of the shell and the second surface of the enclosed section of the sock liner.4. The boot of claim 1 , wherein the shell comprises a primary edge in contact with the sock liner claim 1 , a front support section defined by a second edge of the shell claim 1 , and a back support section defined by a third edge of the shell claim 1 , wherein the primary edge extends between a front transition point with the second edge and a back transition point with the third edge such that the front transition point is at a distance from a top edge of the boot that is greater than a distance from the top edge of the boot of the back transition point.5. The boot of claim 4 , wherein the primary edge extends between the front transition point and the back transition point at an angle of greater than or equal to 30 degrees relative to the top edge of the boot.6. The boot of claim 5 , wherein the angle is greater than or equal to 45 degrees and less than or equal to 75 degrees relative ...

Polyvinyl Chloride Safety Boots

A boot comprises: an outsole and an upper affixed to the outsole, the upper comprising a polyvinyl chloride (PVC) upper body and a composite toe cap. The composite toe cap comprises a fiberglass reinforced polymer, and the composite toe cap comprises a tapered surface.

Boots With Gusset

A boot comprises: an outsole and a polymeric upper affixed to the outsole. The upper comprises an upper body and a gusset, which comprises a relaxed position and an expanded position, wherein the gusset moves from the relaxed position to the expanded position to accommodate a wearer's leg upon donning of the boot. 1. A boot comprising:an outsole; andan upper affixed to the outsole, the upper comprising polymeric upper body and a polymeric gusset comprising a relaxed position and an expanded position, wherein the gusset moves from the relaxed position to the expanded position to accommodate a wearer's leg upon donning of the boot.2. The boot of claim 1 , wherein the gusset comprises one or more pleats.3. The boot of claim 1 , wherein the gusset is integral to the upper body.4. The boot of claim 1 , wherein the gusset is affixed to the upper body.5. The boot of claim 1 , wherein the gusset is self-supporting.6. The boot claim 1 , wherein the gusset is effective to expand a top area of the boot.7. The boot of claim 1 , wherein the gusset in an expanded position upon accommodating a wear's leg expands an edge of the upper body at least one inch.8. The boot of claim 1 , wherein the polymeric upper comprises a thermoplastic polymer.9. The boot of claim 1 , wherein the upper body and the gusset independently comprise a thermoplastic polymer selected from the group consisting of rubber claim 1 , thermoplastic polyurethane claim 1 , and polyvinyl chloride.10. The boot of claim 1 , wherein the outsole is polymeric.11. The boot of claim 1 , wherein the outsole comprises one or more integrally-formed features selected from the group consisting of: a toe claim 1 , a heel claim 1 , a heel strike claim 1 , and cleats.12. The boot of in the form of a knee boot.13. The boot of that is liquid-proof.14. A liquid protection knee boot comprising:an outsole of a first polymeric material; andan upper of a second polymeric material, the upper being affixed to the outsole and comprising an ...

Boots with gusset

A boot comprises: an outsole and a polymeric upper affixed to the outsole. The upper comprises an upper body and a gusset, which comprises a relaxed position and an expanded position, wherein the gusset moves from the relaxed position to the expanded position to accommodate a wearer's leg upon donning of the boot.

Systems and methods for the schedule alignment of a packet flow

A classification mechanism (202) automatically aligns time-sensitive data streams to sequences (schedules), according to information in the packets or other information and classification criteria specified by a human network administrator, a sequence agent, an application program or otherwise. When a packet arrives at a first sequence-aware switch (212) along a path, the packet is aligned to a new or existing sequence (208 or 214). When a new sequence is established, appointments are reserved at sequence-aware switches along the path. The packet is placed in a queue (208 or 214), based on its classification. When the packet reaches the head of the queue, at that queue'’ appointment time, the switch forwards the packet along the path. If possible, appointments have been reserved at subsequent switches (204 or 206) along the packet’s path, so the packet can be forwarded through the subsequent switches without delay.

Flexible lightweight arc flash and flash fire resistant polyvinylchloride fabric and garments and methods therefor

A light weight flexible flame, arc flash and flash fire resistant fabric for protective garments is made from a flexible polyvinylchloride sheet having phthalate or phthalate free plasticizers coated with well defined parallel lines or grids of adhesive layer. The adhesive coated polyvinylchloride sheet contacts a non-woven meta-aramid fiber liner and is heated to produce a bond between the polyvinylchloride sheet and the liner. Both polyvinylchloride sheet and meta-aramid non-woven liner resist heat. When heat from arc flash or flash fire is applied, the heat is conducted away at local contacting regions of the adhesive with the polyvinylchloride sheet to the liner whereby the temperature of the polyvinylchloride is locally reduced preventing sagging, charring or burning of the space between adhesive contacting regions. This structure produces mechanically strong lightweight arc flash and flash fire resistant fabric suited for producing garments that meet all ASTM specifications for fireproof garments.

Optimization of magnetizing current in linear induction motors

MAGNETIZING CURRENT GENERATED IN A LINEAR INDUCTION MOTOR DRIVING ELEVATOR CAR DOORS (12) IN ELEVATOR SYSTEMS IS OPTIMIZED. MAGNETIZING CURRENT LEVEL IS SET LOW FOR DOOR OPERATION MODES REQUIRING LOWER LEVELS OF THRUST, SUCH AS HOLD OPEN AND HOLD CLOSED. MAGNETIZING CURRENT LEVEL IS INCREASED FOR MODES OF DOOR OPERATION REQUIRING GREATER THRUST LEVELS, SUCH AS CLOSING OR OPENING. OPTIMIZATION OF MAGNETIZING CURRENT IN LINEAR INDUCTION MOTORS REDUCES OVERHEATING AND INCREASES ENERGY EFFICIENCY.

Otimização de corrente magnética em motores de indução linear

Footwear with multi-material outsole

A footwear article comprises: an outsole comprising: an outsole body comprising a first polyurethane polymeric material attached to one or more tread cleats comprising a nitrile butadiene rubber polymeric material; and a footwear upper affixed to the outsole, the footwear upper comprising a second polyurethane polymeric material. Footwear articles, including boots, overshoes, and/or work shoes, are effective to meet or exceed slip resistance in accordance with ASTM F3445-21. Methods of making the footwear articles are also described.

Footwear with multi-material outsole

A footwear article comprises: an outsole comprising: an outsole body comprising a first polyurethane polymeric material attached to one or more tread cleats comprising a nitrile butadiene rubber polymeric material; and a footwear upper affixed to the outsole, the footwear upper comprising a second polyurethane polymeric material. Footwear articles, including boots, overshoes, and/or work shoes, are effective to meet or exceed slip resistance in accordance with ASTM F3445-21. Methods of making the footwear articles are also described.

エレベータカードアの位置決め及び同期調整装置

(57)【要約】 【課題】 エレベータカードア動作の精度低下を最小限 に抑え、また、ドアの直線位置を回転位置に変換する必 要をなくす。 【解決手段】 エンコーダプーリに直接一個のエンコー ダを連結してエレベータカードアの位置及び方向のデー タを変換させる。ヘッダブラケット(16)の一方の側部上 にアイドラープーリ(32)を装着し、反対側の側部上にエ ンコーダプーリ(34)を装着し、これら両プーリ(32、34) の上方に延伸して、第一のループ部(38)と第二のループ 部(42)から成る閉鎖ループを形成する連関ケーブル(36) を配設する。エンコーダプーリ(34)には、エレベータカ ードア(12、14)の位置及び動作方向を測定するロータリ ーエンコーダ(60)を直接配設する。アイドラープーリ(3 2)とエンコーダプーリ(34)には、両プーリと連関ケーブ ル(36)間の滑りを最小化するために、摩擦係数の高いポ リマーライナーを用いる。

A system for controlling an elevator car door

Optimizacion de la corriente de magnetizacion en motores de induccion lineal.

SE OPTIMIZA LA CORRIENTE DE MAGNETIZACION GENERADA EN UN MOTOR DE INDUCCION LINEAL (16, 18) QUE IMPULSA LAS PUERTAS DE LA CABINA DE UN ASCENSOR (12). LA CORRIENTE DE MAGNETIZACION SE ESTABLECE EN UN NIVEL BAJO PARA MODOS DE ACCIONAMIENTO DE PUERTAS QUE REQUIEREN BAJOS NIVELES DE EMPUJE, COMO RETENIDAS ABIERTAS (80) Y RETENIDAS CERRADAS (76). EL NIVEL DE CORRIENTE DE MAGNETIZACION SE AUMENTA PARA MODOS DE ACCIONAMIENTO DE PUERTAS QUE REQUIEREN MAYORES NIVELES DE EMPUJE, COMO CIERRE (82) O APERTURA (78). LA OPTIMIZACION DE LA CORRIENTE DE MAGNETIZACION EN MOTORES DE INDUCCION LINEAL REDUCE EL SOBRECALENTAMIENTO Y AUMENTA LA EFICIENCIA ENERGETICA.

Optimierung des Magnetisierungsstroms in linearen Induktionsmotoren

昇降かごドアシステム

(57)【要約】 【課題】 昇降かごドア作動システムを改善することで ある。 【解決手段】 昇降かごドアの同期的開閉を確実にする ために位置決めおよび同期システムと、固定モータ二次 側と、各昇降かごドアを駆動する一対の可動モータ一次 側と、両方のモータ一次側を駆動するためのひとつのモ ータドライブとを含む。モータドライブは、両方のモー タ一次側に供給するための適切な電流および周波数を発 生する。両方の昇降かごドアの動作は同期され、したが って所定の時間に実質的に同じ力を要求するので、両方 のドアを駆動するための電流を生成するのにひとつのモ ータドライブを用いることが可能である。

Boots with polymeric foam shell and exposed sock liner

A boot comprises: a shell comprising a first foamed polymeric material; a sock liner comprising a second foamed polymeric material, the sock liner having an exposed section and an enclosed section; and an adhesive layer affixing the shell and the enclosed section of the sock liner; wherein there is an absence of intermingling of the second surface of the enclosed section of the sock liner with the inner surface of the shell. Methods of making and using the boot are also provided.

Footwear with multi-material outsole

A footwear article comprises: an outsole comprising: an outsole body comprising a first polyurethane polymeric material attached to one or more tread cleats comprising a nitrile butadiene rubber polymeric material; and a footwear upper affixed to the outsole, the footwear upper comprising a second polyurethane polymeric material. Footwear articles, including boots, overshoes, and/or work shoes, are effective to meet or exceed slip resistance in accordance with ASTM F3445-21. Methods of making the footwear articles are also described.

エレベータかごドアシステムの２次位置決めシステム

(57)【要約】 【課題】 エレベータかごドア用の２次位置決めシステ ムを提供する。 【解決手段】 エレベータかごドアシステムの２次位置 決めシステムは、３つのセンサを有しており、これらの センサは、ドアハンガに形成された複数の開口と位置決 めされている。上記センサを特定の離間とし、さらに上 記ドアハンガ内の上記開口それぞれの間を特定の間隔と することによって、上記エレベータかごドアの全閉状態 と、全開状態と、それらの中間的な位置と、運動方向を 判断することが可能となっている。