CN1175888A - Blast and fragment resistant polyurethane boot sole for safety footwear - Google Patents

Blast and fragment resistant polyurethane boot sole for safety footwear Download PDF

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Publication number
CN1175888A
CN1175888A CN96192057A CN96192057A CN1175888A CN 1175888 A CN1175888 A CN 1175888A CN 96192057 A CN96192057 A CN 96192057A CN 96192057 A CN96192057 A CN 96192057A CN 1175888 A CN1175888 A CN 1175888A
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CN
China
Prior art keywords
sole
layer
nomex
polyurethane
kevlar
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Granted
Application number
CN96192057A
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Chinese (zh)
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CN1121830C (en
Inventor
该·安德鲁·瓦氏
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BFR Holdings Ltd
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该·安德鲁·瓦氏
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Publication of CN1175888A publication Critical patent/CN1175888A/en
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Publication of CN1121830C publication Critical patent/CN1121830C/en
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Expired - Fee Related legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/32—Footwear with health or hygienic arrangements with shock-absorbing means
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/42—Filling materials located between the insole and outer sole; Stiffening materials
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Laminated Bodies (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

A blast and fragment resistant polyester or polyether-based polyurethane boot sole (13) is described, comprising embedded protective material composed of at least one woven polyaramid (Kevlar) layer (18). One or more layers of graphite fibres, ceramic fibres, S-glass fibres or mineral fibres may be also interwoven with or placed between the polyaramid layers.

Description

Anti-fierce impact and the anti-polyurethane safety shoe sole that splits
Field under the present invention
The present invention relates to a kind of structure of sole, relate in particular to a kind of novel improved structure that can prevent the safety shoe sole that the high energy and high speed projectile pierces through, this footwear provide bigger protection and constrained motion within reason to people's pin.
Description to prior art
Authorize U.S. Patent No. 5,237,758 to Zha Keman (Zachman), adopt semi-elliptical cross-section, these cross sections intersect at the ring place with the adjacent net of adjacent ring, and these adjacent ring are intersected with the toughness rod that passes through crossed loops straight again, reduce laterally moving of adjacent net thus to greatest extent.
Authorize U.S. Patent No. 5 to A Liwen (Aleven); 285; 583; adopt a kind of protective layer that comprises a pliable and tough front portion that constitutes by plastics; in the process of molded described protective layer, its pliable and tough front portion has an inner bottom plating to link to each other with its bottom surface to link to each other with its end face with a fiber lining.The used plastics of A leven are the molten plastics that in the end are injected in the bonding process.
The international patent application DE4214802 that is transferred SPORTARRIKELFABRIK UHLGMBH KARL by ZEPF H discloses a kind of multilayer sole, and this sole has the surface that a walking is used, the end in the middle end of a buffering and the upper strata.Bottom (bas e) is a molded thermoplastic part or the moulded parts made with metal, pottery or graphite, and multifilament organic or inorganic fortifying fibre is embedded or is entered in the structure of moulded parts by weaving, braiding with the form of liner.Downside at bottom forms the elasticity outline portion by injection mo(u)lding or extruding.Bottom can only contain the weaving fiber of individual layer, and its total thickness is about 0.5mm.
Aleven adopts plastic plate and has reached enhancing and shock proof purpose in sole, fibroreticulate use is for reinforced plastics rather than impact resistance is provided.ZEPF H can only make the single layer of woven fiber that thickness is not more than 0.5mm by injection moulding or extruding.A leven does not discuss to metal, pottery or graphite material.Up to now, because the problem on rigidity and the caking property, in also not report and the practicality of adopting on the thickness structure of sole at the bottom of fragrant acid amides (aramid), pottery or graphite fibre prevent high energy and high speed projectile transpierce shoe of technology.
General introduction of the present invention
When requiring sole can keep the flexibility from the toe to the heel so that run, jump and pass through such as barriers such as rope ladder, the cableway that climbs, little pedals, and when sharp thing, melt pit and handstone were had abundant or responsive sensation, sole described in the prior art can not be resisted fierce impact and projectile fully.For reaching this purpose; the invention provides a kind of anti-fierce impact and anti-split with at the bottom of polyester and/or the polyurethane shoe based on polyethers; this sole comprises embedding protective material wherein, and this material embeds whole sole and is made up of the Nomex (Kevlar) of weaving that one deck density at least is less than or equal to 15 ounce per square yard.Weave the density of Nomex layer and the increase of the number of plies and can strengthen anti-fierce impact property and the energy of anti-the fragility.
The present invention also aims to provide a kind of sole that bonds together well by multilayer Nomex (Kevlar) layer and/or graphite fibre bundle, although the intrinsic caking property of aromatic polyamide fibre, graphite fibre and polyurethane is very poor.Owing to the coating as thin as a wafer of various Nomex (Kevlar) before weaving and/or graphite fibre bundle and/or because Nomex (Kevlar) fiber weaving gets loose relatively or coarse, polyurethane can penetrate among the fiber, each aspect is bonded together well, prevent the delamination of sole when using subsequently thus.
According to the present invention, Nomex (Kevlar) and/or graphite fibre can be before being woven to the shape of required lining apply in order to polyester or based on the thin polyurethane unfertile land of polyethers, and this will promote the caking property of Nomex and polyurethane material greatly.
Equally, according to the present invention, polyester fiber, preferably PETG (PET) fiber can and (apply or uncoated) aromatic polyamide fibre interweave or be woven in the caking property of promoting Nomex and polyurethane material between (apply or uncoated) Nomex (Kevlar) fiber.
According to the present invention, carbon-graphite fibre can and Nomex (Kevlar) interweave or be interleaved to enter and sole is strengthened and stiffening.
According to the present invention, one by mineral fibres, and especially the woven layer of ceramic fibre or sulfide glass fiber can be included in the sole, resists temperature at 815-1650 ℃ hot gas as a kind of thermal baffle.
Brief description of drawings
To better understanding be arranged and make the purpose of the present invention outside mentioned above become obvious the present invention in conjunction with following detailed description.This explanation is that reference accompanying drawing hereinafter carries out, wherein,
Fig. 1 is the vertical section figure that has according to the footwear of first kind of concrete footwear sole construction of the present invention;
Fig. 1-A is the enlarged drawing of footwear sole construction among Fig. 1.
Fig. 2 is the vertical section figure that has according to the footwear of second kind of concrete footwear sole construction of the present invention;
Fig. 2-A is the enlarged drawing of footwear sole construction among Fig. 2;
Fig. 3 is the vertical section figure that has according to the footwear of the third concrete footwear sole construction of the present invention;
Fig. 3-A is the enlarged drawing of footwear sole construction among Fig. 3;
Fig. 3-B is the enlarged drawing of the substitute of footwear sole construction shown in Fig. 3-A;
Fig. 4 is the vertical section figure that has according to the footwear of the 4th kind of concrete footwear sole construction of the present invention;
Fig. 4-A is the enlarged drawing of footwear sole construction among Fig. 4;
Fig. 4-B is the enlarged drawing of the substitute of footwear sole construction shown in Fig. 4-A.
Description to optimum implementation
A kind of footwear that have according to first kind of concrete footwear sole construction of the present invention are denoted as 10 usually in Fig. 1 and Fig. 1-A.
Footwear 10 have top 11 and composite sole 13 of standard shape.Composite sole 13 comprises that 14, one on an outer polyurethane sole with bottom surface 17 wherein embeds the middle end 15 of one deck Nomex layer 18, and a upper base 16 is selectively arranged.
Be to adopt the normally used traditional multistage mould of polyurethane shoe basic skill or training industry to prepare at the bottom of this compound safety shoe.
At first with polyester and/or be expelled to based on the polyurethane of polyethers in the die cavity of composite sole to form outer (lower) end 14, its density is generally at 500-2000 kilogram/rice 3In the scope.
Remove and be used for the preparation top board at outer (lower) end on the mould, with one by the woven thick-layer 18 of aromatic polyamide fibre material be positioned over still in die cavity outside on (lower) end 14.
Nomex (Kevlar) fibrous material can be before weaving applies in advance in order to polyester and/or based on the polyurethane of polyethers.Polyurethane coating can promote Nomex layer and bonding that is injected into the polyurethane in the die cavity or promotion Nomex layer to be injected into the polyurethane infiltration of die cavity.
Every layer of density of weaving the Nomex material of Nomex layer 18 is at least 5 ounce per square yard, is preferably 15 ounce per square yard.
The Nomex layer 18 of this bed thickness is preferably by the fine amine Shu Zucheng of the poly-virtue that is made into the crowfoot or lace stitch, and the intrafascicular 70-90% of these Nomex is along the direction (perpendicular to the direction from the toe to the heel) from X to Y, the direction of 10-30% edge from the toe to the heel.
The thickness of Nomex layer 18 is at least 0.07 inch, and more typical is 0.11 inch, is that to adopt 7100 up-to-date beam diameters be that 0.07 inch Kevlar4 9 fibers are made.The hot strength of this aromatic polyamide fibre is 43,000 pounds/square inch, and modulus is 19,000,000 pound/square inch.
After arranging Nomex layer 18, will be expelled in the die cavity that contains sole outer bottom 14 with the end 15 in the middle of forming with polyester and/or based on the polyurethane of polyethers.The typical density that is expelled to the polyurethane in the mould is less than 1000 kilograms/meter 3
Because polyurethane penetrates into or through Nomex layer 18, form well bonding at (lower) end 14 and the middle end 15 outside, and that Nomex layer 18 is sandwiched in is middle.
So far, top 11 can directly link to each other with the compound end 13 of polyurethane, and the compound end 13 comprises outer (lower) end 14 and the middle end 15, can also add one the 3rd upper base 16 to increase the comfort of footwear on the middle end.Latter event is when (low) end 14 and the middle end 15 are stayed in the die cavity outside aforesaid, to wherein being injected into polyester and/or based on the polyurethane of polyethers, and directly annotates the centre at the end 15.
Zhi Bei the sole 13 that contains the Nomex layer 18 that is preferably 15 ounce per square yard can provide the fierce impact of the opposing projectile that 60 speed are 1350 feet per seconds effectively and hit the ability of splitting as stated above.This sole can keep the flexibility from the toe to the heel well so that run, jump and pass through such as barriers such as rope ladder, the cableway that climbs, little pedals simultaneously, and prevents sole delamination when use subsequently.
A kind of footwear that have according to second kind of concrete footwear sole construction of the present invention are denoted as 20 in Fig. 2 and Fig. 2-A.
In this embodiment, similar feature adopts the label identical with last example, and sole 13 has the layer 18 that more is made of the Nomex material.
Shown in Fig. 2-A, outer bottom can comprise the Nomex layer 18 of not more than two layers.2 to 6 layers aromatic polyamide fibre is generally contained at the middle end 15, is typically 3 layers, as shown in Fig. 2-A.
Be the sole shown in preparation Fig. 2 and Fig. 2-A, 2 stratas virtue acid amides weaving layer 18 is positioned in the preparation die cavity at outer (lower) end 14.
It is that 0.01 inch aromatic polyamide fibre is formed that Nomex layer 18 is preferably by diameter.Become thickness less than 0.06 inch this fiber weaving, more typical is about 0.04 inch layer.
To be expelled in the composite sole die cavity to form outer (lower) end 14 with polyester and/or based on the polyurethane of polyethers then, thus, the typical density of outer bottom 14 is at 500-2000 kilogram/rice 3In the scope.
Remove the top mold plate that is used for (lower) end 14 outside the preparation, Nomex (Kevlar) textile layer 18 identical in (lower) end 14 outside 2-6 layer and the embedding was added to above outer (lower) end 14 that still is in the die cavity bottom.
At this moment, in die cavity injection with the end 15 in the middle of forming, the typical density of the layer of polyurethane that so obtains is less than 1000 kilograms/meter based on the polyurethane of polyester and/or polyethers 3
Because polyurethane infiltrates or through Nomex layer 18, formed good bonding at (lower) end 14 and the middle end 15 outside, and Nomex layer 18 is sandwiched in wherein.
So far, top 11 can directly link to each other with the compound end 13 of polyurethane, the compound end 13, comprise outer (lower) end 14 and the middle end 15, can comprise also that perhaps one the 3rd polyurethane upper base 16 is to increase the comfort of footwear, this effect can reach by following method: outer bottom and the middle end (preparation as mentioned above) stayed in the die cavity, inject above the middle end 15 with polyester and/or based on the polyurethane of polyethers.
Adopt the sole of method for preparing to compare with the sole in first embodiment, because the Nomex layer with multilayer, can more effectively anti-fierce impact and anti-splitting.
The 3rd embodiment of the present invention be, the Nomex layer 18 in the sole is that Nomex and polyester (PET) fiber interweaving form as depicted in figs. 1 and 2, and the preparation of soles method is the same.
Adopting the advantage of Nomex and polyester (PET) fiber interweaving is further to increase the caking property of polyurethane to embeding layer 18.
The 4th embodiment of the present invention be, further interweaves with carbon-graphite fibre as the Nomex layer of describing in the above-mentioned embodiment 18, and this carbon-graphite fibre contains 12,000 fibre bundle, hot strength are 470,000 pounds/square inch, modulus is 35,000,000 pound/square inch.The preparation of soles method is the same.
The advantage that adopts carbon-graphite fibre to interweave is intensity and the hardness that further increases sole, and promotes mar proof.
Next embodiment of the present invention is denoted as 30 in Fig. 3 and Fig. 3-A, sole 13 is to adopt aforesaid same method to prepare, and has just added one deck and weaved the layer 31 that forms by composite ceramics fiber and aromatic polyamide fibre in the middle end 15.
Described ceramic fibre weaving layer is preferably and comprises that diameter is 0.05 inch a ceramic fibre, the 70-90% of these ceramic fibres prolongs X-Y direction (perpendicular to the direction from the toe to the heel) and is made into the crowfoot or lace stitch, and 10-30% prolongs toe and is woven to the direction of heel.This one deck is embedded at above Nomex (Kevlar) layer 18 the middle end (sees Fig. 3-A).Another kind of situation is, shown in Fig. 3-B, what skim was formed by pottery/aromatic polyamide fibre preferably is that the composite bed of being made up of the two-way weavy grain of standard 32 is embedded in the upper base 16.
The sole that contains this composite bed 32 that is formed by pottery/aromatic polyamide fibre can be resisted hot gas, can anti-1650 ℃ high temperature in the very of short duration process of bearing fierce impact.
In further embodiment 40 of the present invention, a sulfide glass fiber composite layer can be added in the middle end or the upper base 15,16 (seeing Fig. 4,4-A, and 4-B).
One deck is that layer 41 that 0.05 inch sulfide glass fiber forms is embedded into (Fig. 4-A) at above Nomex (Kevlar) layer 18 the middle end by diameter, wherein the sulfide glass fiber of 70-90% is woven to broken satin weave in four footpaths or lace stitch along X-Y direction (perpendicular to the direction of toe to heel), and the direction of the sulfide glass fiber of 10-30% along toe to heel is woven.Perhaps, with thin (0.025 inch) that forms by sulfide glass fiber, be preferably in the layer 42 embedding upper base 16 of the two-way footpath satin tissue with standard (Fig. 4-B).
The sole 13 that contains sulfide glass fiber layer 41,42 can be resisted hot gas, can anti-815 ℃ high temperature in the of short duration process of bearing fierce impact.
Therefore use of the present invention and method of operating should clearly no longer do further discussion to use of the present invention and method of operating from above-mentioned open.
About above-mentioned explanation, should be realized that, optimum size relation of the present invention and raw material, comprise various sizes, raw material, shape, form, function and operation, assembling and using method, be clearly, clearly for a person skilled in the art, and all with accompanying drawing and specification in the identical relation described all comprise in the present invention.
Therefore, above be considered to just explanation to principle of the present invention.Because to one skilled in the art, many improvement and variation can be arranged, so the present invention can not be limited in diagram or describe on the concrete structure and operation that come out, all improvement that are fit to all will fall into scope of the present invention with the identical practice.

Claims (11)

  1. An anti-fierce impact and anti-split with at the bottom of polyester or the polyurethane shoe based on polyethers; comprise embedding protective material wherein; it is characterized in that this material embeds whole sole; and weave Nomex (Kevlar) layer by one deck at least and form, the density of this layer is less than or equal to 15 ounce per square yard.
  2. 2. according to the sole of claim 1, it is characterized in that described insert material is made up of a thick Nomex (Kevlar) textle layers, the thickness of this layer is at least 0.07 inch.
  3. 3. according to the sole of claim 2, wherein said thick Nomex layer is woven to the Nomex Shu Zucheng of the crowfoot or lace stitch along toe to heel direction along X-Y direction, 10-30% by 70-90%.
  4. 4. according to the sole of claim 1, it is characterized in that described insert material comprises at least 3 stratas virtue acid amides (Kevlar) weaving layer, every layer thickness is less than 0.06 inch, and these layers bond together with polyurethane material.
  5. 5. each sole in requiring according to aforesaid right is characterized in that constituting the aromatic polyamide fibre and polyester (PET) fiber interweaving of described Nomex layer.
  6. 6. each sole in requiring according to aforesaid right, it is characterized in that described aromatic polyamide fibre weaving before in order to polyester and/or based on the thin polyurethane unfertile land coating of polyethers.
  7. 7. each sole in requiring according to aforesaid right is characterized in that the aromatic polyamide fibre that constitutes described Nomex (Kevlar) layer interweaves with carbon-graphite fibre.
  8. 8. according to each sole among the claim 1-6, it is characterized in that described insert material comprises at least one carbon-graphite fibre layer.
  9. 9. each sole is characterized in that described insert material comprises at least one mineral fibres layer in requiring according to aforesaid right.
  10. 10. according to the sole of claim 9, it is characterized in that described mineral fibres is made up of ceramic fibre.
  11. 11., it is characterized in that described mineral fibres is made up of sulfide glass fiber according to the sole of claim 9.
CN96192057A 1995-03-01 1996-02-28 Blast and fragment resistant polyurethane boot sole for safety footwear Expired - Fee Related CN1121830C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG95000378 1995-03-01
SG1995000037A SG34208A1 (en) 1995-03-01 1995-03-01 Blast and fragment resistant polyurethane boot sole for safety footwear

Publications (2)

Publication Number Publication Date
CN1175888A true CN1175888A (en) 1998-03-11
CN1121830C CN1121830C (en) 2003-09-24

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CN96192057A Expired - Fee Related CN1121830C (en) 1995-03-01 1996-02-28 Blast and fragment resistant polyurethane boot sole for safety footwear

Country Status (12)

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EP (1) EP0812140B1 (en)
KR (1) KR100229887B1 (en)
CN (1) CN1121830C (en)
AT (1) ATE192631T1 (en)
AU (1) AU694636B2 (en)
CA (1) CA2213988C (en)
DE (1) DE69608258T2 (en)
NO (1) NO310541B1 (en)
NZ (1) NZ304186A (en)
SG (1) SG34208A1 (en)
TR (1) TR199700745T1 (en)
WO (1) WO1996026655A1 (en)

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US9668539B2 (en) 2012-02-09 2017-06-06 Simon La Rochelle Footwear with sole protection
ES2731648T3 (en) 2014-08-06 2019-11-18 Eisai R&D Man Co Ltd Method for producing a pyrimidine-1-ol compound and intermediate compound thereof
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CN103704926A (en) * 2013-05-14 2014-04-09 吴江市董鑫塑料包装厂 Heat-insulating and puncture-preventing working boot
CN103230122A (en) * 2013-05-14 2013-08-07 吴江市董鑫塑料包装厂 Luminous anti-puncture labor insurance boot with self-generated power source
CN103251167A (en) * 2013-05-14 2013-08-21 吴江市董鑫塑料包装厂 Storing and anti-piercing labor protection boot
CN103251169A (en) * 2013-05-14 2013-08-21 吴江市董鑫塑料包装厂 Elastic air bag air changing and piercing-preventing working boot
CN103251165A (en) * 2013-05-14 2013-08-21 吴江市董鑫塑料包装厂 Anti-static puncture-proof working boot
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CN103284396A (en) * 2013-05-14 2013-09-11 吴江市董鑫塑料包装厂 Light-reflecting puncture-resistant labor-protecting boot
CN103238977A (en) * 2013-05-14 2013-08-14 吴江市董鑫塑料包装厂 Ventilation anti-puncture working boot
CN103251169B (en) * 2013-05-14 2016-03-16 吴江市风尚鞋厂 A kind of elastic bag ventilation is anti-pierces through working boot
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CN103704934A (en) * 2013-05-14 2014-04-09 吴江市董鑫塑料包装厂 High-comfort antistatic puncture-resistant labor protection boot
CN103230121A (en) * 2013-05-14 2013-08-07 吴江市董鑫塑料包装厂 Heating warm-keeping anti-piercing working boots
CN103251168B (en) * 2013-05-14 2016-03-16 吴江市风尚鞋厂 A kind of massage is anti-pierces through working boot
CN103315442B (en) * 2013-07-22 2015-08-05 青岛亨达股份有限公司 A kind of special policeman fights instruction boots
CN103315442A (en) * 2013-07-22 2013-09-25 青岛亨达股份有限公司 Training boots for special policeman
CN106117504B (en) * 2016-07-05 2018-07-06 晋江市池店镇娇鹏贸易有限公司 A kind of polyurethane elastomer material for sole of shoe
CN106117504A (en) * 2016-07-05 2016-11-16 晋江市池店镇娇鹏贸易有限公司 A kind of polyurethane elastomer material for sole of shoe

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NO310541B1 (en) 2001-07-23
NZ304186A (en) 1999-04-29
AU694636B2 (en) 1998-07-23
AU5131396A (en) 1996-09-18
KR19980702053A (en) 1998-07-15
EP0812140B1 (en) 2000-05-10
ATE192631T1 (en) 2000-05-15
NO973905D0 (en) 1997-08-26
DE69608258D1 (en) 2000-06-15
KR100229887B1 (en) 1999-11-15
CA2213988C (en) 2000-04-25
EP0812140A1 (en) 1997-12-17
DE69608258T2 (en) 2000-12-21
CN1121830C (en) 2003-09-24
SG34208A1 (en) 1996-12-06
NO973905L (en) 1997-09-01
WO1996026655A1 (en) 1996-09-06
TR199700745T1 (en) 1998-03-21
CA2213988A1 (en) 1996-09-06

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