CN102238883A - Shoe with anti-skid sole - Google Patents

Abstract

The invention relates to a shoe having a sole made of an elastomer material having an improved grip on a ground and having an interface that may include an intermediate foreign material, said sole including blocks (31) separated from each other by grooves (35). The walls of the grooves (35) extend in the body of the elastomer material and define sharp-angled patterns in the outline of said blocks (31), capable of piercing said foreign material in order to establish a direct dry contact between the two surfaces. Each block (31) defines a star-shaped pattern having at least five branches in the shape of stems (32) distributed about the outline, and each stem (32) is oriented radially towards the outside of the pattern and ends in a tip. Each stem (32) is separated from the adjacent one by a recess (38) in the block outline. Finally, each block (31) has a stem (32) that is inserted into a space of the adjacent groove (35), defined by a recess (38) between adjacent stems in the outline of a second block adjacent to the first one.

Description

Have the shoes at the bottom of the on-slip shoes

Technical field

The present invention relates to be intended to provide with working face to have the good anti-skidding shoes that are provided with sole that contact, described working face may become sliding by liquid or solid foreign materials.It may be used on footware or the sport footwear, for example, described shoes are on smooth ground itself and need the good ground characteristic of grabbing on the very smooth natural or synthetic covering on for example Linoleum (registration mark), varnish face brick, polishing building stones and the metal surface, particularly got wet by liquid (for example water, oil or blood) or wetting or covered by liquid cell or quilt for example during the foreign substance pollution of other kind of mud or ice when described surface.

Background technology

At present, skid by accident and cause fall very common and cause serious unexpected injury.Particularly all the more so the unexpected injury in work, and the expert in described field has spent some time studies and has reduced the frequency of described unexpected injury and the method for seriousness.Particularly, a plurality of security footwear companies have been started selling the shoes that are provided with the sole that is designed to give good non-skid property.Shoes grab ground characteristic also be highly valuable in multiple forms of motion.

The prior art of having put down in writing has also been described a plurality of embodiment with identical purpose.The good example (shown in Figure 1) of recommended configuration that providing in the model that the U.S. submits of US D446912S is used to increase the earth-grasping force of footwear sole is being provided, it comprises the soft relatively or flexible sole of the rag pattern that is provided with belt edge, and described edge is used to cut or disconnect the fluid film that may cover the surface that is used for pedestrian's use.Described pattern generally comprises the projection of being made by elastomeric material, for example rubber, and described projection also places sole surface, so that for example cover the entire portion of the front portion of feet, and also covers the whole surface of heel in some cases.These blocks are foursquare and are provided with diagonally, that is to say that each block has the diagonal angle skewed slot along the longitudinal direction of sole.Block is arranged, and forming the row who is separated by the even narrow groove (groove) of width, thereby described groove forms the network of channels with right angle intersection.Each projection also is divided into four parts with right angle location and two slits (perhaps grooving) as is generally known of being parallel to the edge of projection, thereby forms four basic blocks.Thereby these slits are used for increasing the lateral flexibility of each projection of rag or flexible and increase the lateral flexibility or the flexibility of sole usually, thereby help to disconnect fluid film.Preferably, the degree of depth of each slit is less than the degree of depth of groove, and even more preferably, it is in 20% to 80% the scope of gash depth.

United States Patent (USP) 714 675 2 has been described a kind of sole of shoes, and it also has from the elastomer projection of the rule location of protruding towards the surface of the sole part on ground.Each projection is formed by the pattern of the star shape with four arms, and described four arms are longitudinally directed in one direction basically and laterally directed on another direction.The diagonal angles row of 45 degree arranges these projections by become roughly with respect to longitudinal direction, and described projection limits between it and be used to discharge the liquid that shoes shift by projection and the groove of foreign matter during advancing along ground.For the edge of the marginal portion that strengthens projection penetrates in the material that covers ground, make distance between the bottom of the end at tip at place, end of arm of each star and sole be higher than the height of this bottom surface greater than the center surface of each projection; The another kind of option of mentioning hereof provides the surface with cavity, and described cavity ends in the edge part office of each projection has the edge that forms the acute angle cross section.

United States Patent (USP) 731 089 4 also shows the anti-skidding shoes that use for shower, and the sole of these shoes is through with and is used for allowing water to flow through the aperture of sole, and has the contact tab of being separated and being separated by slit in addition by groove.The material that these slits or otch can be worked as projection increases its deformation when contacting with ground.In one embodiment, each projection is polygonal and is divided into section by the radial discharge slots in the polygonal summit of mind-set from projection.

Rag by described different prior art has obtained the considerable ground effect of grabbing.Yet the applicant shows the system research of anti-skidding shoes, with regard to the kind of the risk of skidding with may impel the nonslip properties that can also improve sole with regard to the situation (being difficult to prediction sometimes) of skidding.Thereby, still need to improve.

The present invention is intended to improve anti-skidding and is intended to limit skidding that the user may suffer on smooth ground, even they are provided with special-purpose shoes.In addition; at application target is to be used for realizing under all situations of the balance between the various performances, must for example keep in the security that obtains this improvement because the performance of other kind of the integrity protection on the surface that the degree of wear, comfortableness and the shoes that use contact.Particularly, the integrity protection of contact surface need prevent to catch and preserve small-sized object (for example, small stone) in groove in the design that is formed at the sole rag or the cavity as far as possible.

Summary of the invention

For this purpose, the invention discloses a kind of safe shoes with the nonslip properties that strengthens the contact-making surface between sole and the ground, on this ground, there be skidding of height, particularly when having middle foreign matter.These shoes comprise the sole with airframe material bottom, and this sole has upper surface and lower surface, and upper surface is used for supporting the user's of shoes pin.

According to the present invention, shoes comprise the sole with airframe material bottom, at least one zone of sole is provided with the contact tab that exposes from the lower surface of sole so that kiss the earth, and wherein these contact tabs are separated from each other by groove, described groove with acute angle, that is to say with less than 75 the degree angles limit stem.The contact-making surface of each projection is the star shape with at least five arms on the profile that is distributed in described contact-making surface; The recess at the center of each stem by pointing to star shape and the adjacent blades in the projection partly from.This sole is characterised in that, a plurality of first contact tabs for described zone, in described first contact tab each has the coupling of at least one stem that is coupling (connecting) form between first stem and the recess to recess, this recess with two adjacent stem portion in the profile of second contact tab from, this second contact tab is adjacent with first projection in this zone.In this case, term " stem is to the coupling of recess " refers to that the end of a stem of first contact tab is positioned near the recess between two stems of the second adjacent projection and is positioned at the inside of the circle of external described second projection.The end of stem can be the form at the tip that is formed by the intersection between two surfaces or can have the butt shape.

For ease of reference, the situation of the gears engaged the formed space of recess between two teeth of the tooth of first gear engagement (joint) second adjacent gear on being coupled to first gear is analogized, when two projections were in the state of describing in the aforementioned statement, it was called as " coupling " state.

In replenishing modification, described first projection has the recess of two adjacent stems at least one profile of separating projection, and it limits the space of respective groove, and the stem of the second wherein adjacent stem is engaged in the described zone.

In addition, in one embodiment, each first projection has the coupling and the (ii) coupling of the stem of the recess between the adjacent stem at least two its profiles and adjacent projections of the recess of (i) at least two its stems and the adjacent stem in the profile of separating in adjacent projections.

Because the arm in the coupling position of stem in described groove and recess or the head of stem dispose tail, also have according to the mutual configuration of mulle of the present invention and sole to be remained on the foreign matter of for example small stone have good repellence in the rag groove.Because stem is crooked flexible, has promoted the discharge of foreign matter (for example, small stone).

Obviously, because according to aforesaid feature of the present invention, the distribution density of the tip of stem or end can increase in sole region, the same as increasing with the density at the edge of projection adjacency along groove, it has promoted adherence properties, has reduced to be arranged in the indenture rate of rag of this part of sole simultaneously.In the following description, word " indenture rate " is used for comprising the rag of rubber solids, this rubber solids forms pattern from the teeth outwards and is separated from each other by cavity, with the per surface of the cavity in the zone of rag in the plan view of the sample that is illustrated in this rag and the ratio between total per surface.The area that reduces to have increased the bump material that contacts with area supported of indenture rate.Along with this contact area increases and the engaging pressure of material reduces, earth-grasping force improves, and the wearability of same sole improves.

In addition, according to complementary features of the present invention, the sidewall that limits stem can be set in the following manner, to improve resistance to the maintenance of foreign matter, so that substitute strictly bottom perpendicular to sole, it turns over an oblique angle towards the outside of sole a little, and this oblique angle tends to towards any foreign matter of the external drive of sole, and described foreign matter may tend to by trap between two of the groove both sides relative walls with described sidewall contact and its.In an improved configuration, also can change this oblique angle along the stem of each projection, thereby with unstability that strengthens the trap effect and the discharge that promotes foreign matter.It also can be formed on play the boss that stone remove device effect of the intersection of groove from the channel bottom protrusion.

In one embodiment, the zone of the sole of being discussed is provided with a plurality of first projections, and each first projection is surrounded by four second projections around its circumferential distribution at least, and each second projection is in the position that is coupled with first projection.In described second projection each is comprised self, and one group of at least four projection of described first projection surrounds, and is coupled to described projection.This makes the rag projection clog sole to high-density, so that obtain good earth-grasping force and lower indenture rate.The projection in the zone of discussing closely covers sole with the tip, and described tip can be cut in the material that is inserted between ground and the sole along a plurality of directions.Because the configuration of being recommended obtains this result under the situation of the performance of other form of the shoes of expecting in not being reduced in required application.

Highly satisfied result is made us in acquisition, and particularly, by being provided with the shoes of such sole, in this sole, in described zone, each first projection has six stems and surrounded around at least six of its circumferential distribution adjacent projections by one group.Preferably, each in this group projection is in the state that arrives the recess coupling with first projection stem each other of its encirclement; That is to say, the stem that each coupling comprises first projection in the recess of second projection engagement and the stem of this second projection be engaged in the recess of first projection.The applicant has been found that the particular geometric characteristic of this structure provides a plurality of advantages in the active balance between the various constraints of management sole between the operating period of research at sole.

By using, can increase the sole of shoes wherein and have to penetrate and be inserted between sole and the ground and can impel projection in the foreign matter of earth-grasping force loss or the direction at edge according to configuration of the present invention.Along with the quantity of the arm of each projection increases, these characteristics are reinforced.In one improves, can also increase wherein the quantity of direction of the stem of the rag projection that points to by means of a configuration, in described configuration, the orientation of the star of adjacent projection relative to each other angle departs from (departing from a certain angle).

The configuration of the rag projection of sole on the other hand in, first projection is associated with adjacent second projection to the coupling of recess by aforesaid stem, second projection is in the arrangement that belongs to the total parallel lines network of first in the sole.Preferably, the profile of described first projection also by stem to the coupling of recess and be associated with another second projection of rag, this second projection is in second spider lines that is parallel to the direction that is different from first network in this zone generally.

The projection of two adjacent lines of first and/or second network limits the fluctuating groove of the foreign matter that the interface between the surface that is used to discharge on total contact direction of this first and/or second network removes.Advantageously, the width of the groove between the projection is uniformly basically, is convenient to passage that the smooth particle of trap under sole discharged so that form.Because the above stem that limits replaces, these grooves can have the shape of fluctuating.For example, can increase the regularity of the width of groove by using its most advanced and sophisticated stem truncate or blunt or rounding on request, because the pressure that produces on the very little surface at the edge in the moment of user's sole ground-engaging remains sizable.

In one embodiment, each projection is also separated by at least one slit in the thickness of projection or grooving.This path of this slit can be such, and the one end is in the center of projection and its other end leads to the recess between two stems in the profile of described projection.Therefore, advance in the path of its beeline between one in the edge of the projection between the center of representing projection and two stems.In projection with six stems, three slits can be set, each slit converges mutually by near its common point place the center of projection, end opposite with described edge and advances along above-mentioned path with radial configuration.Described slit preferably is divided into each projection a plurality of sections or basic projection, and each section can be people's word shape having under the star situation of six arms.The advantage of this configuration is the distance that particle passed through of foreign matter in the middle of having reduced must the cavity of each point to footwear sole construction under the projection to discharge.Slit can also make sole be made more soft perpendicular to its thickness, and more cut edge is provided simultaneously, to increase local excess pressure and to guarantee to discharge the middle foreign matter that discharges by this mode.For this purpose, the orientation of the radial pattern of lip-deep these projections of projection can also make a projection depart from respect to next projection angle.

As for the operation of anti-skidding shoes, the edge that should be appreciated that the projection of elastomeric material is applied to the compression that ground pressure produces and concentrates in the material at this edge, and it is along with reducing from the distance at the edge of projection.Being applied to ground pressure by the edge of the end of spider arm and rag projection can penetrate the surface of projection and any fluid film between the ground or other intermediate material and begin to make it to break.Between the material on the material of projection and ground, recovered local direct contact.Under the situation of ice, skid owing to formation moisture film on the ice face causes, and therefore problem is identical.

Each stem is little by little compressed, thereby the active force that promote to disconnect intermediate liquid film or other foreign matter begins propagation from the end of stem.Stem with inclined at acute angles is preferred, because it is more effective in disconnecting fluid film.In addition, because each edge is never strictly parallel to the ground in the moment on projection engagement ground, so always exist stress to concentrate at contact point, it has promoted breaking of film, so that the material of projection is contacted with ground.

When exposing intermediate film, the edge of stem continues to cut it, simultaneously liquid or other foreign matter that exists between the surface of cavity part (groove and any grooving) promotion ground and projection.Produced increased pressure by the component of active force in the plane on ground that sole applied on the edge, its mode by windscreen wiper pushes away away liquid or other surface contaminant (for example, dust and mixtures of liquids).Then grab the very strong increase of generation in the ground as the dry contact that its result forms in the part.

Spreading of dry contact under the projection of sole promoted the well distributed of the active force under the sole and propagation.The improvement of adherence properties has reduced widely skids.This has also caused the decline of wearing and tearing, thereby has increased service life.The star shape of the projection of recommending can also make projection be provided with like this, so that regulate surface pitting rate (area of the cavity of rag and the ratio of its gross area), so that increase the contact-making surface between material and the ground.As mentioned above, with regard to adherence properties and wearability, maximum possible dry contact surface is useful.

In an embodiment of the present invention, the angle at place, the tip of each stem is at least 40 degree.Similarly, the quantity that is formed on the arm in each star stem preferably is at least six.

Have been noted that the present invention provides very high-quality anti-skidding effect between the sole of ground and shoes, particularly owing to reduced the maintenance of handstone.Being arranged so that of the lip-deep rag of this sole can penetrate and drain effectively to reduce and grab the ground coefficient and be inserted in any material, particularly film (moisture) in the contact area or the liquid of sedimentation basin (moisture) form.Therefore, because this mechanism has produced enough big dry contact surface in each step of user, so that the adherence properties of improvement to be provided.Yet in this respect, applicant's research shows, uses the inherent feature that not only has aforesaid shape and angle but also its enough little, is preferred with the pattern of the meshing point in the smooth material in the middle of increasing.Therefore, show that aforesaid pattern is effective especially, if its size is such so that its can in to be connected on maximum gauge be 20 millimeters or preferably to be no more than 10 millimeters and minimum diameter be in 4 millimeters the circle.

According to the present invention, described feature also is combined with the dense distribution of the projection in the rag sole.For this purpose, stipulate low relatively indenture rate, it is less than 45 percent and preferably be no more than 40 percent, to promote potential dried expansion of grabbing the ground contact-making surface.

Surprisingly, the rag of the footwear sole by this category feature manufacturing has very organoleptic surface when contact, and when other factors was identical, its sole with as shown in fig. 1 prior art was different.A plurality of tips of the stem of termination projection provide the sensation that is combined with outside the unusual and accident that rough flexibility and " softness " adhere to.

Description of drawings

Fig. 1 shows the plan view according to the rag of the sole of the anti-skidding shoes of prior art.

Fig. 2 is the plan view that is used for first example of the rag at the bottom of the on-slip shoes according to of the present invention.

Fig. 3 A is that one of them is a plan view in two diagrams according to the rag pattern in the different configurations of Fig. 2 of the present invention with 3B, and another is a perspective view.

Fig. 4 A shows the detailed plan view of the rag projection of Fig. 3, and Fig. 4 B schematically shows the profile diagram of this projection, and Fig. 4 C shows the possible position of this projection in being at the bottom of the on-slip shoes.

Fig. 4 D shows three rag projections of sole, shows the coupling of stem to recess.

Fig. 5 is the detail drawing of the configuration of Fig. 3 in the circular portion V-V of the sole that Fig. 6 determines and 4 projection.

Fig. 6 is the plan view of total profile of the rag that forms in the sole of shoes of the projection by Fig. 3 to 5.

Fig. 7 A, 7B, 7C and 7D show four variant embodiment using the projection that is similar to Fig. 4 A and 4B.

Fig. 8 A and 8B are to use the more detailed diagram of embodiment of footwear sole of pattern of the rag of Fig. 2, and Fig. 8 A is the view of 3/4ths during from top the observation, and Fig. 8 B is a perspective view.

Fig. 9 shows another embodiment that the surface of nonslip properties is provided by the modification according to rag of the present invention.

Figure 10 A to 10F illustrates the explanation of the problem of trap foreign matter in the groove that relates between the projection of footwear sole.

Figure 11 and 12 schematically shows according to the present invention two kinds of solutions of this problem.

Figure 13 A, 13B and 13C show at the plan view according to the implementation of three anti-trap schemes in the configuration of the projection with stem of the present invention.

The specific embodiment

A kind of sole rag has been shown among Fig. 1, and it duplicates at least roughly in the beginning as this specification of the explanation of prior art and partly mentions the sole rag in the model document that the U.S. submits that is numbered US D446912S.It is made up of foursquare rubber projection 11, and this rubber projection 11 protrudes from the lower surface of substrate 12 to sole, and substrate 12 has the thickness and the pliability of the purposes that is suitable for sole.In the projection 11 each is divided into four basic blocks 14 by two with the slit of right angle intersection or grooving or indenture 15.Projection 11 is separated from each other by two groups of grooves 16 that are parallel to the quadrature of slit 15, and described groove has suitable dimensions, flows out well to allow contacting the liquid that shifts with ground by sole.The width of these grooves is the several times of the width of the external slit 15 of each projection 11 normally.

In Fig. 1, the longitudinal direction of shoes from the bottom of paper to the top orientation.Therefore, each block has diagonal on vertical L of shoes.Block 11 forms parallel lines on this direction.The diagonal of every line is aligned.The rubber tip is located to have in one of each block end, front and back on this diagonal, and each described tip forms the stress concentration point perpendicular to ground under user's weight, and this stress concentration point may disconnect the fluid film that covers ground.Similarly most advanced and sophisticated along direction l arrangement perpendicular to vertical L.Aforesaid configuration has some advantage, but still has not enough earth-grasping force sometimes.This be because by the rag projection penetrate fluid film not always effectively and not followed by wiping ground fully to drive away lip-deep liquid, described surface liquid is covered by projection that discussed, thereby and form dry contact with ground, described dry contact is essential, so that obtain good adherence properties and prevent to skid.

Fig. 2 shows the embodiment of the rag that utilizes the principle of the invention, and wherein each the rubber projection 21 that protrudes from sole base has the star shape with six arms, and each arm ends at the stem 22 that points to the projection outside.The embodiment of described projection has below explained in detail.Notice that if vertical (L represents by arrow) of shoes extends to the top from the bottom of paper, then projection forms row on this direction.Each row is had the adjacent column of the groove 24 of fluctuating profile to be separated.The row who is separated from each other by one group of fluctuating groove 25 is arranged and formed to projection 21 also along the direction (l represents by arrow) perpendicular to vertical L on this direction.

In this example, the width of each fluctuating groove preferably changes to a great extent.In the slype of for example 25-1, stem between two stems of each channel separation adjacent projections most advanced and sophisticated 22 and recess 28, described width are seldom or hardly above 1 millimeter.On the contrary, be widened to about 5 millimeters among the arm 25-2 in the zone of its spacing maximum between adjacent star.It should be noted that this configuration is not that it is best being considered to application of the present invention.In this, only notice that the mean breadth of the passage that is formed by groove changes in this example, 3 millimeters of average out between 1 and 5 millimeter.Each projection can in to be connected on diameter be in 8 millimeters the circle.The high distribution density of the edge that described numeral has provided the rubber projection on textured surface with 45% the indenture rate of being equal to or less than.After being discharged by the rubber projection under the liquid that the covers ground effect at user's continuous step, this still reserves the sizable rubber areas that is used for forming with ground effective adherence properties.About marginal density, be also noted that, each projection 21 is divided into three basic blocks 26 by one group of three slits, indenture or grooving 23, described slit, indenture or grooving 23 all extend from the center of pattern, and each ends at recess 28 places between the neighboring edge on the profile of projection 21.

Be also noted that in per two projections one have slit 22 for example the orientation of L longitudinally two slits and only a slit point to horizontal l.In addition, each projection 21 vertical L and laterally on the both direction of l immediately following projection is arranged, wherein the oriented phase of stem departs from 30 ° angle angle for the stem that is considered in this case with reference to the projection 21 of projection.Thereby this rag projection forms one group and points to the stem of 12 different directions and therefore provide the sole that is provided with this rag, and the risk of skidding when this rag is walked on smooth ground to the user has multidirectional resistivity.

In the configuration of Fig. 3, use relates to pattern with respect to the vertical L of sole and the identical agreement of the orientation of horizontal l, find, in this example, each has the projection 31 of star form of six arms in two stems 32 that have main portrait orientation on two direction and transversal orientation stem 33 on two direction again.Yet if projection 31 is arranged as described below, it forms two ordered network of non-vertical and horizontal.As described above, stem 32 can and cover on its any foreign matter (for example moisture film, oil or blood) on ground provides stress to concentrate.Utilize this configuration, can respond main longitudinal force and the density of stem that begins to pierce through the smooth coating that covers ground or film than the height in the directed different previous configuration of projection wherein.The advantage of this configuration is that it has produced the groove with relative constant cross-section.For low surface pitting rate, owing to be convenient to the mobile reason of pollutant (it is fluid basically), this configuration is preferred.Fig. 3 B provides the more clear notion of the profile of non skid matting constructed according to the invention.

Referring to Fig. 4 A, as can be seen, the rag projection 31 of Fig. 3 is divided into three basic blocks 36 by three slits 34 of advancing radially outwardly from the center 37 of projection 31, and described projection has for example six stems of 32 and 33.In the described slit 34 each is led to groove 35, and this groove 35 separates the projection that projection 31 is adjacent at recessed point 38 places of the junction point of two adjacent stems 32 of projection 31 or 33.Each basic block 36 has with two adjacent stems 32 of herringbone pattern location or 33.Fig. 4 B is the cutaway view of the projection 31 of Fig. 4 A, and its substrate or support member 30 from footwear sole protrudes.The slit 34 that separates projection 31 heart 37 places therein meets among Fig. 4 B in the visible single slit 37.For example be also noted that the depth H of the degree of depth h of 34 slit less than groove 35.

Profile according to footwear sole 41 of the present invention has been shown among Fig. 4 C, wherein, has specially amplified the pattern 31 of previous described projection, with outstanding stem 32 and 33 orientations with respect to vertical L and horizontal l.

Fig. 5 shows the mutual configuration at the projection that has six stems of type described in the previous examples.Therefore, employed Reference numeral is used again among Fig. 3 and 4.If referring to the projection 31-A among Fig. 5, its 32-1 of stem with edge that is parallel to direction L " thrusts " and is formed on along in two 32-3 of stem of the direction L projection 31-B adjacent with projection 31-A and the cavity or recess between the 323-4.On the contrary, the 32-4 of stem of this projection 31-B along direction L point to but in the opposite direction and " thrusting " be formed among two 32-1 of stem and the cavity between the 32-2 of projection 31-A.Therefore, between projection 31-A and 31-B, exist incomplete nestedly, describedly be nested in that other projection for rag is repeated on this direction.With regard to the stem 33 on horizontal l, can obtain identical observation.

Should also be noted that, the groove 35 in the face of between the side of stem has uniform relatively width and is interconnected by the network that forms fluctuating or zigzag passage, described groove 35 is right after mutually along one or other direction in this structure, and the liquid of driving out of the contact surface between projection and ground or other foreign matter can flow out and can discharge from sole by described passage.Described configuration has promoted to have relatively evenly but the formation of the passage of width not exclusively uniformly.Should be noted that at each place, end of the groove of the parallel sided of for example 35-B and have for example 43 the broader area that is the triangular form that limits by three different projections.Test shows that this scrambling is not crucial, as long as the reservation and the discharge ability of channel network are enough to collect and discharge all liq or other material that is promoted along advancing of ground by projection.

Fig. 5 is the enlarged drawing that is contained in by the rag in the circular section shown in the V-V among Fig. 6, and it is the more fully diagram that is provided with a part of sole of identical patterns.Fig. 6 also illustrates, and projection 31 is in fact accurately arranged; That is to say, can just can obtain the pattern of each projection by mobile simply on same line or another projection of translation.Under the situation of Fig. 6, the rag projection is arranged along the both direction of being represented by arrow 45-45 and 46-46.Direction 45-45 is positioned at the angle place of 60 degree with respect to direction 46-46, and does not overlap with the principal direction L of sole and any one among the l in the described both direction.This is preferably arrived to a certain degree the systematicness of the width of cavity between the pattern or groove.Be described below (Fig. 7 A and 7B) together for other example of the inhomogeneity optimization of the groove of each pattern and the adjusting of star orientation relative to each other.The quantity of the slit in each rag projection and its selection in the orientation of each star inside are also provided the factor of the performance that is used to regulate rag.

Return Fig. 4 A, 4B and 4C, the operation of rag described herein can be described by the example that the consideration user takes a step forward.Projection 31 from after contact with ground forward, and two of sole towards after the weight of stem 32 in walker under be compressed.Described compression is towards the wideer part development of stem.Pierce through the film of foreign matter and contact with the dried surface on ground if be positioned at the tip 41 of stem 32 at rear portion of the projection 31 of Fig. 4 A, then the edge 42 and 43 of stem cuts film when stem is compressed.The stem 41 of Fig. 4 A belongs to basic block 36-1, and it comprises second stem and separates with another basic block 36 of projection 31 by lambdoid slit 34.Under the pressure that is transmitted by the extruding of the rubber of this projection, the film foreign matter that is positioned under the stem 41 is pushed to the side, and the groove around pushing to, and the rubber of projection forms dry contact with ground gradually.This has produced the earth-grasping force that increases.Should also be noted that when rubber during, be formed on the rubber swelling at slit or grooving 34 edges and seal this grooving gradually towards the compression of the center of projection 31.Basic block 45 rests on another the wall of two adjacent basic blocks of this projection, thereby has limited the deformation of projection and allow to be formed at contact to keep enough contact pressure by this mode.Aforesaid operate on all directions identical.

Referring to Fig. 4 D, the implication of " stem is to the coupling of recess " in this case of explanation now.This Fig. 4 D shows three projections 211,212 and 213, each projection has the regular star shape that has six arms or stem, the end of described arm or stem is positioned on the circle (being respectively C1, C2 and C3) of external each projection, and radially distance geometric center P1, the P2 of described projection and P3 be farthest in described end.As can be seen, projection 212 is in coupled relation with projection 211, because one of 212E of its stem is near the recess 211R between two 211E of stem that are formed on projection 211, and in the inside of the round C1 of external described projection 211.Similarly, projection 213 is in coupled relation with projection 212, because one of 213E of its stem is positioned among the recess 212R and in the inside of the round C2 of external projection 212.Under extreme case, projection 211 has the 211E ' of stem, and the end of the 211e ' of this stem is positioned on the round C2 of external projection.

The configuration that has been found that interlaced rag projection has another advantage with regard to the security that trap between the wall of the groove of rag therein has the sole under the situation of foreign matter.Figure 10 A shows the section of the sole with two projection 88a being separated by groove 90A and 89A.The width of this groove so designs with respect to its degree of depth, so that the foreign matter of stone may not keep trap in groove for example having for a long time.Figure 10 B shows opposite situation, and wherein groove 90B is darker and narrower than groove 90A.Obviously, handstone 93B may be kept trap for a long time before by final the discharge easily at its motive power that in use suffers owing to sole.Under latter event, the appearance of handstone may influence the non-skid property on smooth earth.Figure 10 C shows above the sole portion of Figure 10 B that groove 90C extends along two parallel projections of thickness when observing, and its both sides at the handstone 93C of trap in groove apply balanced active force.On the contrary, Figure 10 D shows in configuration according to the present invention equal state by the groove that defines by two 88B of stem and the 89D of the structure location of head-to-tail basically.Very clear from this accompanying drawing, during walking, bears the handstone of for example 93D of trap in the top of Figure 10 D unbalanced cross force from the wall of groove 90D.This imbalance impels handstone 93D promptly to discharge from groove 90D.This also is suitable under another graphic situation, and in this case, handstone 93 ' D is by in the bottom of the groove 90D of trap in Figure 10 D; The stress that the stress that is applied by the 89D of stem is applied greater than the 88D of stem, the 89D of stem is thicker in the position of handstone, and the 88D of stem is thinner and handstone can be discharged sooner or later.

Figure 10 E shows the configuration that is used to help prevent the maintenance handstone according to modification of the present invention.When the top of accompanying drawing is observed, wall 91E and the 92e of groove 90E tilt with cone angle; With respect to perpendicular to the measured described cone angle of the straight line of the contact-making surface of projection greater than 0 degree.It forms the obtuse angle with respect to bottom 80E.The handstone 93E of trap in infundibulate tends to be tilted wall and discharges to outlet from groove.Obtained similar result in Figure 10 f, wherein the bottom of groove is provided with the boss 94F of elastomeric material, and this boss 94F is at playing the effect that stone removes device than any article of for example 93F of trap between wall 91F and 92F.The configuration that should continue is specially adapted to be not easy to as described below the space that the intersection of groove (for example) forms italic.

Figure 11 is the perspective schematic view of one group two 96-1 of stem that defined by the wall 95-1 of inclination constant taper angle and the 96-2 of stem that defined by the trench wall 95-2 of the constant taper angle that also tilts.Two stem's heads according to configuration of the present invention separate to the tail location and by groove.Figure 12 schematically shows plan view, can form the wall 99 that its cone angle changes along its groove that limits 97, and this may be useful.In the illustrated case, the cone angle of wall increases along the end of groove until stem.

Figure 13 A, 13B and 13c are similar to Fig. 2,3,6 and 7 plan view, and for example, wherein the wall of the groove between the projection has constant cone angle and have variable cone angle in Figure 13 B in the modification shown in Figure 13 A and the 13C.Described wall the bottom of sole be arranged in 180 between the projection 182 and 183 among Figure 13 A and 181 and Figure 13 b in projection 192 and 193 between 190 and 191 places as seen, the bottom of described sole limits the bottom of each groove.Figure 13 C shows the layout that the stone that is formed on the groove intersection removes device 195, and wherein the sizable space on the sole bottom is not covered by the inclined wall of groove.

Some possible variant embodiment of the preferred disposition of describing referring to aforementioned figures, provide especially for the purpose of revising according to the indenture rate of rag of the present invention are provided for Fig. 7 A, 7B, 7C and 7D.Therefore, in Fig. 7 A, the bump pattern that forms the star that have six arms 51 consistent with Fig. 3 to 6 is differently handled, so that each star has along the stem 52 that axis L points to and two stems 53 that have fundamental component along axis l.Should be noted that the center 57 of every group of three adjacent projections 31 is positioned at the place, summit of equilateral triangle 58.This can compare with the situation of Fig. 5, and wherein the center 37 of adjacent projections 31 is positioned at on the equilateral triangle shown in the blend 48, and its limit is directed with 45 degree, 105 degree and 165 degree with respect to vertical L respectively.In the configuration of Fig. 7 A, the limit of the limit of equilateral triangle 58 and triangle 48 has identical orientation.Yet the ratio between the distance at the center of projection and its stem's length (that is the distance between the center of the end of stem and projection) is different.Thereby, as can be seen, between the edge of the adjacent parallel stem of the both sides of groove, there is bigger Separation and has the constriction of the Chinese violet degree of the passage that forms by groove in the position at stem tip.

Referring to Fig. 7 B, for the pattern 61 of also identical projection, should be noted that its center 67 is positioned on the summit of equilateral triangle 68, the limit of this equilateral triangle 68 is positioned at the angle place of 15 degree, 75 degree and 135 degree respectively with respect to vertical L.Because projection 51 and the triangle 58 of the size of projection 61 and triangle 68 and Fig. 7 A are consistent, so obviously, the configuration of Fig. 7 B in fact obviously can realize the basic uniformity fully of width of the groove of rag by the indenture rate greater than Fig. 7 a.Therefore, the netted leg-of-mutton orientation of projection is useful parameter for uniformity and the indenture rate of adjusting groove.

Sizable groove width that Fig. 7 C and 7D show that a kind of indenture rate that makes the rag of aforesaid Fig. 3 to 6 reduces and thereby the tip by cutting back stem is kept for discharging intermediate film material to be removed increases the method for the density of projection.In addition, but the tip of rounding or blunt stem, to obtain illustrated effect.It should be noted that, so design of this configuration, so that by the configuration consistent with Fig. 7 B, required discharge capacity is that the size (that is, as the above E of stem that limits length) of star under the less important situation can and even also increase shown in Fig. 7 d shown in Fig. 7 C in groove.If known all other factorses remain unchanged, then the indenture rate to reduce be the factor that allows the contact pressure on the area supported to reduce.Be used under the ground situation at sole, this can increase earth-grasping force and reduce wearing and tearing simultaneously in the dry contact condition.Aspect the performance of described aspect is considered to give prominence in the design of anti-skidding application usually.

According to the present invention, it is particularly related to the application of the anti-skidding contact between ground and user's pin, purpose is to produce rag, it can penetrate effectively and drain any intermediate material of grabbing the ground coefficient that reduces between ground and the user, and keeps maximum dry contact surface when locating to have realized first purpose in each step of user.This aspect has been proved in applicant's research, it helps to use the pattern that is combined with low relatively indenture rate, promptly, ratio is less than 60 (60%) percent and equal 30 (30%) percent at least, described pattern not only has aforesaid inherent feature, but also utilizes enough little pattern to increase meshing point with intermediate material.Have been found that aforesaid pattern is being effective especially aspect the following size, promptly being connected to maximum gauge in it is 10 millimeters and the preferred circle of diameter in 2 to 8 millimeters scope.At last, these patterns are specially adapted to other article of preventing to maintain handstone in the sole or may having the additional risk factor to skidding.

Surprisingly, utilize the rag of the footwear sole that this category feature produces to have when contact and have very organoleptic surface, when all other factorses were identical, they were different with the sole of prior art for example shown in Figure 1.Unusual and the unexpected sensation that a plurality of tips that end at the stem of projection provide the pliability that is combined with roughening and " softness " to adhere to.

The sole setting of the work shoes that this impression is for example made for other elastomeric material of 2.7MPa by the rigidity modulus of elasticity for by rubber or 10% percentage elongation the time has the rag of for example describing referring to Fig. 5 to be provided.Distance between the tip of two opposite or opposed stems is 8 millimeters, and the angular aperture of stem is 60 degree.The end of each stem is by slightly rounded.In this example, the width of slit 34 is that 0.3 millimeter and its length are about 2 millimeters.The distance that defines in Fig. 5 between two parallel edges of stem of two projections of same trench is 0.9 millimeter.The height of rag (the perhaps degree of depth of groove) is 3 millimeters, and the degree of depth of slit 34 is 2 millimeters.The surface pitting rate is 40 percent in this example.

Fig. 8 A and 8B show the configuration of the star form with six arms of Fig. 4 A and 4B, and it is applicable to the isotropism of the earth-catching property that improves rag.Each projection 81 has six arms that end at stem's form.Referring to one of projection 81-1, can confirm to belong to two two adjacent 82-1 of stem and 83-1 that separate basic block 86-A and 86-B among the projection 81-1.If check one of the adjacent projections 81-2 on Fig. 8 a the right now, and observe corresponding two the basic block 86-A of projection 81-2 and 82-2 of stem and the 83-2 of 86-B, then can see, its displacement by the layout of projection 81-1 forms, and described displacement comprises to the upper left side of accompanying drawing moves this layout and turn over the angles of 30 degree around the axis of projection.Similarly, Fig. 8 A show projection 81-3 can be by along the layout of equidirectional translation projection 81-2 and turn over 30 ° around its axis and form.Therefore, being positioned at from right to left, the adjacent projections 81-1 that lists and the 81-3 of top have along the stem of different directions orientation.Below in Fig. 8 A, and then being arranged in and and above row find same structure.Therefore, this structure can be used for increasing projection and can effective and efficient manner nips and be inserted in the material film between sole and the ground or the direction of the active force in the epidermis.

Fig. 8 B is the more detailed view of the composition of the projection 81-1 that protrudes from the substrate of sole 80, and it has 82-1 of stem and 83-1 and does not have the dark slit 84-1 of groove 85-1.It should be noted that, each for example 81-1 have and point to two recess 88-1 belonging to two adjacent projections and two opposite stems of 88-2, described two adjacent projections lay respectively at the side of the projection 81-1 in the same row (in this case, from the right side to the upper left side).On the contrary, projection 81-1 has two opposite recess 88-3 and 88-4, and described recess is pointed to by two stems of the adjacent projections of the both sides of projection 81-1 the secondary series (in this case, from the lower right of Fig. 8 A and 8B to the top).

Can manufacture according to rag of the present invention, it has different projection aspect the configuration of quantity of the slit in directed or each projection about it of for example 34 slit or grooving, so that improve the isotropism of rag, that is, so that on all directions, obtain uniform rag performance or obtain uniform response in different directions for stress.Also can make prudent selection, to distinguish rag on a certain direction, for example along towards a certain performance of the direction of shoes forward travel or give preferential.Therefore, in Fig. 7 C and 7D, can see that each star projection has six radial slit 74 that the slit 34 that is similar to Fig. 3 to 5 is joined at 75 places, center of each projection 71.

Not only can change the orientation of mulle from a projection to next projection, and can be according to the performance of expectation with the projection of different size and put in rag.Fig. 9 shows has the embodiment that has the rag of the projection of the star form of six arms of type shown in the earlier figures 3 to 5, between projection, inserts projection 92 with equilateral triangle tee section and it is inserted in the rag.Therefore, each in the described projection 92 has three summits 96 that are engaged on by in the 98 formed spaces of the recess between the stem of projection 91, and in the described projection each also is provided with three slits or the grooving of joining in the center of projection 94.

Obviously, it is contemplated that out that other is used to design and dispose the system of rag, the pattern that wherein limits the adjacent projections of described rag has different shapes, for example, has the arm of varying number or have size, orientation and the slit system that changes between the rag projection.

Therefore, the present invention can also use according to the mode of the star projection with for example five, six or seven arms (perhaps even more).

Experience shows, aforementioned arrangements tend to provide footwear sole by the liquid of for example water, oil or blood or any other may be on ground and/or make the remarkable improvement that produces the moist or moistening ground adherence properties that foreign matter covered of sliding-contact between the material of footwear sole usually.The present invention is specially adapted at the bottom of the on-slip shoes of production work footwear and/or sport footwear.

Obviously, the invention is not restricted to above-mentioned example, and in not breaking away from the scope that is defined by the following claims, can carry out various improvement.

Claims (18)

1. shoes, it comprises the sole with elastomeric material bottom, wherein at least one zone of sole is provided with the contact tab that exposes from its lower surface, so that contact with ground, and wherein these contact tabs are separated from each other by groove, described groove limits stem (32) with the angle less than 75 degree in each projection, the contact-making surface of each projection is the star shape with at least five arms on the profile that is distributed in described contact-making surface, adjacent blades part on the recess (38) at the center of each stem by pointing to described star shape and the described projection from, this sole is characterised in that, a plurality of first contact tabs (81) for described zone, in described first contact tab each has the coupling of at least one first stem (83-1) to the stem of recess (88-1) to recess, wherein said recess (88-1) will be with first projection in the described zone in the profile of the second adjacent projection two adjacent blades parts from; That is, the end of this first stem is positioned at the inside of the circle of external second projection.

2. shoes according to claim 1 is characterized in that, each first projection in the described zone has:

(i) coupling of the recess (88-2) of the adjacent stem in the profile that separates adjacent projections of at least two its stems, and

(ii) its recess between the adjacent stem at least two its profiles is to the coupling of the stem of adjacent projections.

3. shoes according to claim 1 and 2, it is characterized in that, one group of at least four projection that each first projection in the described zone is distributed on its periphery place surrounds, and wherein each first projection is associated with the projection that is surrounded by this group to the coupling of recess by stem.

4. shoes according to claim 1, it is characterized in that, each projection in the described zone has six stems, and each projection be distributed on one group of its periphery place at least adjacent projections surround, each stem has the coupling of arriving recess to the stem of the projection that is surrounded by this group.

5. according to each described shoes in the claim 1 to 4, it is characterized in that, at least one zone of described sole, each projection (31) can in be connected on diameter less than in 20 millimeters the circle.

6. shoes according to claim 5 is characterized in that, each projection (31) can in be connected on diameter and be no more than 10 millimeters and be not less than in 4 millimeters the circle.

7. according to each described shoes in the aforementioned claim, it is characterized in that at least one zone of described sole, the indenture rate of rag is no more than 60% and be not less than 30%.

8. according to each described shoes in the claim 1 to 7, it is characterized in that the angle at the place, summit of each stem is at least 40 degree.

9. according to each described shoes in the claim 1 to 8, it is characterized in that the width of the groove between the described stem (35) is by homogenization significantly, so that make the actual contact face maximization of sole region.

10. according to each described shoes in the claim 1 to 9, it is characterized in that at least one part of described sole, the star shape of adjacent projections (81-1,81-2,81-3) has the orientation that depart from angle each other.

11., it is characterized in that each projection has at least one slit that leads to its contact-making surface (34) according to each described shoes in the claim 1 to 10 in the thickness of described projection.

12. shoes according to claim 11 is characterized in that, each slit has two ends, and in these ends one is led to recess.

13. according to claim 11 or 12 described shoes, it is characterized in that each projection has a plurality of slits, and these slits have the public end (37) that is positioned at described projection.

14. according to each described shoes in the claim 11 to 13, it is characterized in that, the degree of depth of each slit (34) the degree of depth of the groove (35) that separates described projection 20% and 80% between.

15. according to each described shoes in the claim 11 to 14, it is characterized in that, in at least one part of described sole, the oriented phase of the slit (84-1,84-2,84-3) of a projection (81-1,81-2,81-3) departs from for the slit angle of at least one adjacent projections.

16. according to each described shoes in the claim 1 to 15, it is characterized in that, each stem is limited by the wall of two grooves (35), and the wall of at least one groove that separates the stem (83-1) of first projection (81) in the recess (88-1) be engaged on second projection tilts with the cone angle greater than 0 degree with respect to the bottom of described sole, and this cone angle records with respect to the straight line perpendicular to the contact-making surface of described projection.

17., it is characterized in that the cone angle of described wall increases along the end of described groove until stem according to right 16 described shoes.

18., it is characterized in that described sole comprises that at least one plays the boss that stone removes the device effect according to each described shoes in the claim 1 to 17, this boss protrudes from bottom in the intersection of two grooves of the end that limits two stems at least.

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