CN102529082A - Filament wound u-shaped support units for footwear - Google Patents
Filament wound u-shaped support units for footwear Download PDFInfo
- Publication number
- CN102529082A CN102529082A CN2011104625380A CN201110462538A CN102529082A CN 102529082 A CN102529082 A CN 102529082A CN 2011104625380 A CN2011104625380 A CN 2011104625380A CN 201110462538 A CN201110462538 A CN 201110462538A CN 102529082 A CN102529082 A CN 102529082A
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- China
- Prior art keywords
- mandrel
- shaped
- composite
- close
- footwear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/32—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/82—Cores or mandrels
- B29C53/821—Mandrels especially adapted for winding and joining
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2793/00—Shaping techniques involving a cutting or machining operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/564—Winding and joining, e.g. winding spirally for making non-tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/8008—Component parts, details or accessories; Auxiliary operations specially adapted for winding and joining
- B29C53/8066—Impregnating
- B29C53/8075—Impregnating on the forming surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/006—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor the force created by the liberation of the internal stresses being used for compression moulding or for pressing preformed material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/50—Footwear, e.g. shoes or parts thereof
- B29L2031/504—Soles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
A method is described for manufacturing a U-shaped support unit for use in footwear. A shaft mandrel has a longitudinal axis and a cross-section with at least one U-shape region. An enclosed shape of composite material is formed over the shaft mandrel which includes one or more layers of resin-impregnated reinforcing fibers. One or more cuts are made through the enclosed shape to create U-shaped support units adapted for use as a weight bearing structure in footwear.
Description
The application requires the priority of the U.S. Provisional Patent Application 61/420,545 of submission on December 7th, 2010, and this application is incorporated this paper by reference into.
Technical field
The present invention relates to footwear construction, relate more specifically to a kind of midsole of footwear or structure with U-shaped silk thread enhancing recombiner unit of sole of being used for.
Background technology
Existing traditional sock can be disturbed the biological power and the muscle function of nature, the long-term health that may endanger muscle and bone.The nest spring device of the impact that (when marking time) produced when typical shoe-pad mechanism comprised foam, colloid and is used to be absorbed in initial the bump, disadvantageous is that this has but influenced healthy muscle and has coordinated the needed proprioceptive input of health.Therefore, this tradition cushion pad layout can endanger bone health and can cause the wearer to suffer MSK damage.
In peak value body weight power constantly, the joint power of observing easily in gait cycle is in its maximum, and it is not to occur in when marking time, but when occurring in the mid-term of gait cycle subsequently.When walking, occur in the latter stage of load response and gait cycle, and when running, occur in the mid-term of gait cycle.Typical shoe-pad is compressed when marking time, the impact when absorbing initial the bump, but cushion pad is not measurable compression and release (or being obedient to) along with the up-down of peak value body weight power in time when joint power is in its peak value.
Need a kind ofly can reduce the footwear that the muscle skeleton wearing and tearing are torn effectively, particularly can help to prevent the generation of knee and buttocks arthritis and other common musculoskeletal injuries.Such footwear can comprise the midsole that combines pliable and tough (compliant) structure; This flexible configuration is in weight supporting is between active stage; During the gait, can compress and discharge along with the increase and decrease of body weight power, and no longer damping carried out in the vibration when the initial impact.Just can compress and discharge when the power that such footwear only carry in the joint reaches maximum, reduce the power that carry in the joint thus.
Figure 1A-C is top view, sectional view and the bottom view of an instantiation that is used for the U-shaped support unit 101 of footwear, and this support unit is processed by the silk thread reinforced composite.When using in this article, term " U-shaped " broad sense is as the general description of any structure with shapes such as U-shaped, V-arrangement or C shapes.U-shaped support unit 101 comprises the top foot supports arm 102 on the foot supports table plane that is roughly parallel to footwear and ground, the bottom arm 103 that is roughly parallel to the ground contacting surface of footwear.Foot supports arm 102 connects together at medial side base portion 106 with ground arm 103, and the side end 104 of each arm and 105 freely is being shifted under the effect of the power of central axis 107.U-shaped support unit 101 places midsole or the sole of footwear inner, with provide spring-like along limiting the gentle bent pliable and tough sole contact-making surface that promptly shrinks and discharge, no longer absorbs impact rapidly in path along with the up-down of body weight power.The U-shaped support unit that is used for footwear like this is at United States Patent (USP) 7,418, more fully describes in 790, quotes its content at this.
In order to support body weight best, such U-shaped footwear support unit is processed by the silk thread reinforced composite in the ideal case.Yet it is inadequate, inconsistent and/or do not have a cost benefit to make so typical production technology of footwear materials.The injection moulding of silk thread reinforcing material provides the homegeneous production of automation, but this need shorten fibre length, bears the demand of body weight during the rigidity of the fiber of the shortening of form of composite and durability all can not satisfy during the gait fully.The manual silk thread reinforced composite of arranging can provide enough rigidity supporting body weight, but needs a large amount of hand labors, is easy to generate consistency error, does not have cost benefit for the use in footwear production.
Summary of the invention
Embodiments of the invention relate to a kind of method that is used to produce the U-shaped support unit that is used for footwear.Mandrel has longitudinal axis and cross section with at least one U-shaped zone.On said mandrel, form the close-shaped of composite, said composite comprises the fortifying fibre of one deck or multilayer impregnating resin.Pass the close-shaped one or many cutting of carrying out, to produce at least one opening U-shaped cross section of fibre reinforced composites, then, the U-shaped structure separately becomes the U-shaped supporting member, and this member can be used for footwear weight supporting structure.
Utilize automatic silk thread wrapping machine with fortifying fibre be wrapped on the mandrel form close-shaped, for example, through making mandrel around its longitudinal axis rotation.Can form close-shaped through molded surface outside the compacting on the part at least of said composite to form said close-shaped outer surface.Close-shaped can also being formed on the non-fibre structure element is placed on non-fibre structure element on the said mandrel in advance, and said non-fibre structure combination of elements is in said composite.
Fortifying fibre can be impregnated with resin through utilizing resin infusion system, utilizes the wet bath of resin, splash or brushing on the mandrel before such as being formed at fortifying fibre, perhaps after fortifying fibre is formed on the mandrel, carries out resin injection again.Close-shaped composite the cutting before to after can be through curing after a while.
Description of drawings
Figure 1A-C illustrates top view, sectional view and the bottom view of the silk thread reinforced composite U-shaped support unit that is used for footwear.
Fig. 2 is the perspective view of a kind of form of the mandrel that uses in an embodiment of the present invention.
Fig. 3 A-C illustrates the sectional view of the mandrel of three kinds of different symmetric forms.
Fig. 4 A-B illustrates the sectional view of two U-shaped mandrels, and said mandrel has the non-fibre structure element that is placed on the mandrel, and non-fibre structure element becomes in the composite that is included in the final U-shaped support unit that has solidified.
Fig. 5 A-B illustrates the sectional view of the embodiment of two compression moulds, said compression mould after the fiber winding process, be placed on composite and mandrel on.
The specific embodiment
Embodiments of the invention comprise automatic silk thread winding process; This process allows as one man, has the production of cost benefit ground and is used for the midsole of footwear and the pliable and tough unit of U-shaped of sole; Its compression and discharging when body weight and joint power reach maximum, thus make the peak value of joint power minimum.Use the silk thread winding process be provided for producing reinforced composite automation with process repeatably.Fiber twines around mandrel, and mandrel is around its longitudinal axis rotation.
Fig. 2 is the perspective view according to the mandrel 201 of a specific embodiment of the present invention.Mandrel 201 has longitudinal axis and the U-shaped cross-section shown in Fig. 3 A, and the fortifying fibre through one deck or multilayer impregnating resin on mandrel 201 forms the close-shaped of composite.Can insert the admittance neck ring of silk thread wrapping machine along the cramp bar 202 of the longitudinal axis of mandrel 201, the silk thread wrapping machine makes mandrel 201 around its longitudinal axis rotation.Along with the rotation of mandrel 201, the silk thread material is wrapped on the mandrel 201 to form multilayer materials.In preset time, the fibre bundle of one or more any thickness is wrapped on the mandrel.Already present production process is identical in the location of said bundle, orientation and thickness and the prior art, and it selects not constitute a part of the present invention.
In one embodiment, silk thread can be pulled out to utilize resin that said silk thread is fully flooded through resin infusion system before being wound onto on the mandrel 201.In other embodiments, silk thread can utilize the resin prepreg stain, and perhaps silk thread can be ejected into resin on the dry silk thread after twining.According to the known operation method that is applicable to the specific resin fibre composites, can exist the time period that is used for cured resin with cured composite at any time point that makes things convenient for of technology.Such as, assembly can heat in standard stove or concora crush stove.Can adopt various types of fortifying fibres, natural fiber or synthetic fibers or its combination.Similarly, can adopt various types of resin materials, such as epoxy resin, polyurethane, polyester or vinyl esters.Resin can be thermoplastic or heat cured, and can comprise extra filler or the substrate that improved physical property is offered formed recombiner unit.
After on the outer surface of mandrel 201, forming composite close-shaped, be cut to a plurality of final U-shaped elements that are used for being attached to footwear.In one embodiment, composite is directly cut into final U-shaped support unit still being positioned at 201 last times of mandrel.For example, can utilize the device of the saw of for example spraying water that composite is cut away from mandrel 201, said device is only cut and is worn composite, but does not cut punching axle 201.Perhaps cutting blade can be incorporated in the female mold and to make and be compressed to 201 last times of mandrel when female mold, and blade is cut and worn composite.Alternatively, close-shaped can on line of cut 301, being cut, thereby the U-shaped cross-sectional length of two symmetries of generation fibre reinforced composites along axial length.This cutting forms one or more long opening U-shaped sectional element, and said one or more long opening U-shaped sectional element can be removed from mandrel 201, is cut into a plurality of final U-shaped elements that are used for being attached to footwear then.Perhaps, can composite be pulled out from an end of mandrel 201 with integral body, then composite cut into final U-shaped support unit.Final U-shaped support unit is placed in the midsole or sole of footwear, makes an arm of unit be parallel to the placement of foot supports surface, another arm is parallel to ground contacting surface and places.
Silk thread twines the typical case and is used to produce the silk thread enhancing structure with axial symmetry and closed cross-section shape, such as pipeline, high-pressure bottle and rocket engine.But embodiments of the invention can comprise the silk thread winding process of utilization along the asymmetric mandrel of its axis.Fig. 3 B illustrates the embodiment of the mandrel 201 with asymmetric cross section, and it forms two asymmetric U-shaped cross sections after the cutting composite.Fig. 3 C illustrates the example of mandrel 201, and this mandrel 201 is suitable for after line of cut 301 cuts, making single U-shaped cross section.All shown embodiment have along the consistent cross section of its longitudinal length, but this must not need in all embodiment.
Fig. 4 A-B illustrates the sectional view of two embodiment of U-shaped mandrel 201, and the shape on its middle-end top becomes holds non-fibre structure element 401, and said non-fibre structure element 401 was placed on the mandrel 201 before silk thread twines in advance.Extra structural detail 401 one that becomes is attached in the silk thread wound composite, makes final U-shaped support unit comprise composite and extra structure.In another embodiment,, silk thread can for example fabric, material semi-rigid or rigid structure be placed on before twining on the outer surface of part of whole mandrel or mandrel to form the basic unit of final U-shaped support unit.
Fig. 5 A-B illustrates two embodiment of the present invention, wherein in solidification process, is placed on the last perhaps whole surface (like Fig. 5 B) of a close-shaped part (like Fig. 5 A) of silk thread reinforced composite 502 compression molded surperficial 501.In the embodiment shown in Fig. 5 A, clamping device forms molded surface 501 such as vice or the pressurization compressive plate that is oppositely arranged at the either side of the outer surface of composite 502.In the embodiment shown in Fig. 5 B, close die forms the molded surface 501 that surrounds composite 502 fully.In another embodiment, for example the material of cellophane (cello) contraction bands can be used for composite 502 is compressed to mandrel 201, and this contraction bands can be stayed or be removed after solidification process.Sometimes, the complete setting up period of resin or after, molded surface 501 also can be removed.
Although disclose various exemplary embodiment of the present invention; Be to be understood that for those skilled in the art; Under the situation that does not depart from true scope of the present invention, can make various distortion or improve these distortion or improvement meeting acquisition advantages more of the present invention.
Claims (10)
1. a production is used for the method for the U-shaped support unit of footwear, and said method comprises:
Mandrel is provided, and said mandrel has longitudinal axis and cross section with at least one U-shaped zone;
On said mandrel, form the close-shaped of composite, said composite comprises the fortifying fibre of one deck or multilayer impregnating resin;
Cut and wear the close-shaped of said composite, be suitable as the U-shaped support unit of the weight supporting structure in the footwear with generation.
2. method according to claim 1 wherein forms and saidly close-shapedly comprises that to adopt automatic silk thread wrapping machine fiber-reinforced wrapped around said mandrel.
3. method according to claim 2 is wherein twined said fortifying fibre and is comprised and make said mandrel around the rotation of its longitudinal axis.
4. method according to claim 1 further comprises:
Said U-shaped support unit is attached in the footwear as pliable and tough weight supporting structure.
5. method according to claim 1 wherein before being formed on said fortifying fibre on the said mandrel, makes said fortifying fibre be impregnated with resin through utilizing resin infusion system.
6. method according to claim 1 wherein after being formed on said fortifying fibre on the said mandrel, makes said fortifying fibre be impregnated with resin through the resin injection.
7. method according to claim 1 wherein forms said close-shaped comprising: outer molded surface is squeezed at least a portion of said composite to form said close-shaped outer surface.
8. method according to claim 1 wherein forms said close-shaped comprising: before cutting, to said close-shaped composite material solidification a period of time.
9. method according to claim 1 is wherein after cutting, to said composite material solidification a period of time.
10. method according to claim 1 wherein forms said close-shaped comprising: non-fibre structure element is placed on the said mandrel, and said non-fibre structure element becomes and is attached in the said composite.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US42054510P | 2010-12-07 | 2010-12-07 | |
| US61/420,545 | 2010-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102529082A true CN102529082A (en) | 2012-07-04 |
Family
ID=46161116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104625380A Pending CN102529082A (en) | 2010-12-07 | 2011-12-07 | Filament wound u-shaped support units for footwear |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20120138216A1 (en) |
| CN (1) | CN102529082A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107791539A (en) * | 2017-10-23 | 2018-03-13 | 张家港市九鼎机械有限公司 | A kind of manufacture method of bicycle housing |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10786951B2 (en) * | 2016-01-28 | 2020-09-29 | Donald E. Wheatley | Method of making a fiber reinforced hoop and anchors for a concrete reinforcement structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4352769A (en) * | 1980-05-27 | 1982-10-05 | Victor United, Inc. | Method for simultaneously molding a plurality of products |
| US5478421A (en) * | 1986-09-15 | 1995-12-26 | Compositech Ltd. | Method for making composite structures by filament winding |
| CN1191583A (en) * | 1995-06-19 | 1998-08-26 | 推进欧洲公司 | Method and apparatus for making ring-shaped parts out of composite material, as well as preforms therefor |
| CN100536706C (en) * | 2004-10-27 | 2009-09-09 | D·凯西·凯里甘 | Cantilevered shoe construction |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5204033A (en) * | 1991-10-21 | 1993-04-20 | Brunswick Corporation | Method of fabricating a preform in a resin transfer molding process |
| FR2707552B1 (en) * | 1993-06-30 | 1995-10-13 | Aerospatiale | Method of manufacturing a part made of composite material, a central body and fins and missile body thus obtained. |
| US7418790B2 (en) * | 2001-04-03 | 2008-09-02 | Kerrigan D Casey | Cantilevered shoe construction |
-
2011
- 2011-12-06 US US13/311,922 patent/US20120138216A1/en not_active Abandoned
- 2011-12-07 CN CN2011104625380A patent/CN102529082A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4352769A (en) * | 1980-05-27 | 1982-10-05 | Victor United, Inc. | Method for simultaneously molding a plurality of products |
| US5478421A (en) * | 1986-09-15 | 1995-12-26 | Compositech Ltd. | Method for making composite structures by filament winding |
| CN1191583A (en) * | 1995-06-19 | 1998-08-26 | 推进欧洲公司 | Method and apparatus for making ring-shaped parts out of composite material, as well as preforms therefor |
| CN100536706C (en) * | 2004-10-27 | 2009-09-09 | D·凯西·凯里甘 | Cantilevered shoe construction |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107791539A (en) * | 2017-10-23 | 2018-03-13 | 张家港市九鼎机械有限公司 | A kind of manufacture method of bicycle housing |
Also Published As
| Publication number | Publication date |
|---|---|
| US20120138216A1 (en) | 2012-06-07 |
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Application publication date: 20120704 |