CN1798592A

CN1798592A - Single panel golf club grip with eva inside layer

Info

Publication number: CN1798592A
Application number: CNA2005800000585A
Authority: CN
Inventors: 黄大本
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-05-19
Filing date: 2005-05-17
Publication date: 2006-07-05
Anticipated expiration: 2025-05-17
Also published as: WO2005115563A1; JP4662975B2; JP2007527302A; CN100488587C

Abstract

A grip for the handle of a golf club having a single panel that is wrapped about an underlisting sleeve. The inside layer is EVA and the side edges of the panel abut. The unitary grip reduces impact shock, provides a feeling of tackiness and resists the absorption of moisture.

Description

Single liner plate golf club grip with EVA internal layer

Technical field

The present invention relates to a kind of improvement handle that is used for golf clubs.

Background technology

The applicant had before developed and had successfully reduced the elastomeric grip of impact shock to the user's of golf clubs muscle and shoulder joint, and provide a kind of the player hand and handle between the sensation of stickness (tackiness).For example, license to applicant's U.S. Patent number referring on August 25th, 1998: No.5,797,813.This early stage handle utilization is spirally wound on sliding sleeve and bonds to the polyurethane-felt band of the neck bush of golf grip.The side of described band is formed with the recessed enhancing limit that the heat of overlap joint presses down.Though verified this handle has very gratifying effect aspect the minimizing impact shock, it is made as labor-intensive, particularly owing to be with and must be manually wrapped on the neck bush under specific pressure parameter.In addition, when this band spiral twines neck bush, its be difficult to accurately to aim at band in abutting connection with side.So, the distortion that may during winding process, become of this band that twines handle.This point is difficult especially problem when twining the golf handle.The handle of this winding can not provide the display effect of decorating design.

Though developed the polyurethane/felt handle of the prior art that required absorption of vibrations characteristic is provided, felt materials is tended to suction.Therefore, handle tends to absorb the sweat of discharging and may become between match period and soaks into from user's hand, thereby the tennis racket in golf clubs or the user's hand is slided.Under the condition of humidity as when when playing golf in the rain, also same problem can appear.For this problem is described effectively, the applicant has used EVA (EVAc) as the substitute that is used for felted fabric backing.For example, license to applicant's U.S. Patent number referring on September 30th, 2003: No.6,627,027.

Summary of the invention

In one embodiment, the handle of golf clubs has overcome the aforesaid drawbacks that existing spiral twines handle, and the impact that provides same prevention to provide by this handle simultaneously provides stickiness simultaneously, reduce the whole weight of handle, and prevent to destroy the water imbibition of above-mentioned advantage.Removed shortcoming by the integral grip structure that forms by the single polyurethane-EVA liner plate that has corresponding to the structure of the outer shape of neck bush.The side of this single liner plate is adjacent to each other, and in optimal way, bonds to the longitudinal seam that extends through described liner plate together with qualification.The recessed sealed groove that adds thermosetting can be formed at the exterior section of layer of polyurethane in the outer end of seam to strengthen this seam.Hot polyurethane deposits along seam or in groove, and after the hardening of this polyurethane, with its polished (buff) to be fused into the surface of handle smoothly.In another improved procedure, use a model and on the polyurethane of deposition, decorate the friction enhancing pattern of the strong pattern of friction with the main body on the surface of coupling handle.

Another embodiment is the handle of the handle of the golf clubs that is used to comprise neck bush (underlisting sleeve) and single liner plate.The neck bush telescopically slides on the handle of golf clubs.Single liner plate comprises the condensate skin that bonds to the condensate internal layer.Liner plate twines and bonds on the neck bush around described neck bush with the mode that the side of liner plate is adjacent to each other, to limit the longitudinal seam that extends to outer field outer surface from the inner surface of internal layer.In optimal way, side bonds to together.In another embodiment, polymeric material deposits along seam.In another embodiment, the recessed channel shaped of heat is formed in the outside of described seam.In another embodiment, trench fill has the polymerization deposit.In another embodiment, the polymerization deposit is polished smoothly.In another embodiment, the part that friction strengthens pattern is formed on the seam outside, so that strengthen the identical fusion of pattern with the friction that is formed at described outer field outside.

Another embodiment is the method that a kind of making is used for the handle of golf grip, neck bush on the handle that comprises the following steps: to provide telescopically to slide into golf clubs, provide and comprise the outer field single liner plate of the polyurethane that bonds to the EVA internal layer, wherein liner plate has the structure corresponding to the outer shape of resilient bushing, described single liner plate bonds to described neck bush around described neck bush winding and with it, and the side of liner plate is abutted against together to limit the longitudinal seam that extends to outer field outer surface from the inner surface of internal layer.

Owing to removed in specific pressure parameter the intensity work around neck bush spiral take-up strap, therefore, the handle of golf clubs can be made down to twine the much lower cost of handle than existing spiral.In addition, no matter be during making, still after it bonds to neck bush, single liner plate handle all will can not twist.Applicant's novel handle has the required external form that is similar to traditional moulded rubber handle, so that attract professional golfer and accessible (low-handicap) amateurish competitor, and is provided for using the more large tracts of land of decorating design ideally.In addition, the EVA internal layer of applicant's novel handle has stoped the absorption of water with protection other advantages that this handle provides when handle is exposed to moisture.

With reference to corresponding accompanying drawing following preferred implementation is specifically described, will makes these and other aspect of the present invention and advantage become clear more and easy and understand.

Description of drawings

Fig. 1 shows the perspective view that is provided with the golf clubs of the single liner plate handle of polyurethane-EVA according to embodiment of the present invention;

Fig. 2 shows the perspective view that is provided with the golf push rod of the single liner plate handle of polyurethane-EVA according to embodiment of the present invention;

Fig. 3 is the front view that shows when crush-cutting single liner plate of polyurethane-EVA after the last work shape to it;

Fig. 4 is the vertical cross-section that shows that the line represented along the 4-4 of Fig. 3 is cut open;

Fig. 5 is the horizontal sectional view that shows that the line represented along the 5-5 of Fig. 3 is cut open;

Fig. 6 is the zoomed-in view that shows the encircled of 6 expressions among Fig. 5;

Fig. 7 is the side view that shows first mould that can be used to form the single liner plate handle of polyurethane-EVA;

Fig. 8 is the vertical cross-section that shows that the line represented along the 8-8 of Fig. 7 is cut open;

Fig. 9 is the zoomed-in view that shows the encircled of 9 expressions among Fig. 7;

Figure 10 is the zoomed-in view that shows the encircled of 10 expressions among Fig. 7;

Figure 11 is the zoomed-in view that shows the encircled of 11 expressions among Fig. 7;

Figure 12 is the front view that shows the single liner plate of polyurethane-EVA after it shifts out from mould shown in Figure 7;

Figure 13 is the front view that shows the single liner plate of polyurethane-EVA after it shifts out from the mould of another form shown in Figure 7;

Figure 14 is the front view that shows the single liner plate of polyurethane-EVA after it shifts out from the mould of another form shown in Figure 7;

Figure 15 is the vertical cross-section that shows that the line represented along the 15-15 of Figure 12 is cut open;

Figure 16 is the side view that shows another mould that can be used to form the single liner plate handle of polyurethane-EVA;

Figure 17 is the vertical cross-section of the mould that shows that the line represented along the 17-17 of Figure 16 is cut open;

Figure 18 is the zoomed-in view that shows the encircled of 18 expressions among Figure 16;

Figure 19 is the front view that shows the inner surface of the single liner plate of polyurethane-EVA after it shifts out from the mould of a kind of form shown in Figure 16;

Figure 20 is the view that shows the top and bottom limit of the single liner plate of skiving (skived) polyurethane-EVA;

Figure 21 is the view that shows the first side of the single liner plate of skiving polyurethane-EVA;

Figure 22 is the view that shows the second side of the single liner plate of skiving polyurethane-EVA;

Figure 23 shows that Dang Qiding, the end and side are with the front view of the inner surface of the single liner plate of the polyurethane behind the mode skiving shown in Figure 20,21 and 22-EVA;

Figure 24 is the front view that shows the liner external member of the single liner plate handle of polyurethane of the present invention-EVA;

Figure 25 is the vertical cross-section that shows that the line represented along the 25-25 of Figure 24 is cut open;

Figure 26 is the zoomed-in view that shows the encircled of 26 indications among Figure 25;

Figure 27 is the zoomed-in view that shows the encircled of 27 indications among Figure 25;

Figure 28 is the front view of adhesive that shows a kind of form of the outer surface be applied to neck bush;

Figure 29 is the front view of adhesive that shows a kind of form of the inner surface be applied to the single liner plate of polyurethane-EVA;

Figure 30 shows the front view that the single liner plate of polyurethane-EVA is twined and bonds to the first step of neck bush;

Figure 31 shows the single liner plate of polyurethane-EVA is twined and bond to the front view of second step of neck bush;

Figure 32 is the front view that shows the single liner plate of polyurethane-EVA that bonds to neck bush;

Figure 33 is the horizontal sectional view that shows that the line represented along the 33-33 of Figure 30 is cut open;

Figure 34 is the horizontal sectional view that shows that the line represented along the 34-34 of Figure 31 is cut open;

Figure 35 is the horizontal sectional view that shows that the line represented along the 35-35 of Figure 32 is cut open;

Figure 36 is the zoomed-in view that shows the encircled of 36 indications among Figure 34;

Figure 37 is the zoomed-in view that shows the seam between a kind of side of embodiment of single liner plate of encircled of 37 indications shown in Figure 35;

Figure 38 is the side view of demonstration along the hot recessed sealed groove of the top portion formation of seam shown in Figure 37;

Figure 39 is the vertical cross-section that shows that the line represented along the 39-39 of Figure 38 is cut open;

Figure 40 is the view that shows the part of the Figure 39 after forming sealed groove;

Figure 41 is the zoomed-in view that shows the encircled of 41 expressions among Figure 40;

Figure 42 is the front view that shows the single liner plate handle of finishing according to embodiment of the present invention of polyurethane-EVA;

Figure 43 is the vertical cross-section that shows that the line represented along the 43-43 of Figure 42 is cut open;

Figure 44 is the vertical cross-section that shows that the line represented along the 44-44 of Figure 42 is cut open;

Figure 45 is the front view of disconnection of first step that is presented at the improved procedure of the handle of making Figure 42;

Figure 46 is the front view of disconnection of second step that is presented at the improved procedure of the handle of making Figure 42;

Figure 47 is the horizontal sectional view that shows that the line represented along the 47-47 of Figure 46 is cut open;

Figure 48 is the zoomed-in view that shows the encircled of 48 indications among Figure 47;

Figure 49 shows the front view as the single liner plate handle of the polyurethane among Figure 32-EVA for preparing for improved procedure;

Figure 50 is the front view of disconnection of first step that is presented at the improved procedure of the handle of making Figure 49;

Figure 51 is the front view of disconnection of second step that is presented at the improved procedure of the handle of making Figure 49;

Figure 52 is the front view that shows the handle of making according to Figure 49-51;

Figure 53 is the front view of disconnection that shows another improved procedure of handle shown in Figure 49;

Figure 54 is the horizontal sectional view that demonstration is cut open along the line of the 54-54 indication of Figure 53;

Figure 55 is the zoomed-in view that shows the encircled of 55 indications among Figure 54;

Figure 56 is the front view of disconnection that shows another improved procedure of handle shown in Figure 49;

Figure 57 is the horizontal sectional view that demonstration is cut open along the line of the 57-57 indication of Figure 56;

Figure 58 is the zoomed-in view that shows the encircled of 58 indications among Figure 57;

Figure 59 shows to be used for the side view that the present invention improves the mould of embodiment;

Figure 60 is the horizontal sectional view that shows that the line represented along the 60-60 of Figure 59 is cut open;

Figure 61 is the vertical cross-section that shows that the line represented along the 61-61 of Figure 59 is cut open;

Figure 62 is the zoomed-in view that shows the encircled of 62 indications among Figure 61;

Figure 63 is the front view that shows the handle of making according to Figure 59-62;

Figure 64 is the preceding see-through view that shows according to the neck bush of embodiment of the present invention golf handle;

Figure 65 is the side view that shows the neck bush of Figure 64;

Figure 66 is the horizontal sectional view that shows that the line represented along the 66-66 of Figure 64 is cut open;

Figure 67 is the vertical cross-section that shows that the line represented along the 67-67 of Figure 65 is cut open;

Figure 68 is the vertical cross-section that shows that the line represented along the 68-68 of Figure 65 is cut open;

Figure 69 is the front view that shows the single liner plate of polyurethane-EVA according to the golf clubs push rod handle in the embodiment of the present invention;

Figure 70 is the vertical cross-section that shows that the line represented along the 70-70 of Figure 69 is cut open;

Figure 71 is the front view that shows the single liner plate push rod of the polyurethane of the finishing-EVA handle according to embodiment of the present invention;

Figure 72 is the front view that shows the golf handle among Figure 71; And

Figure 73 is the horizontal sectional view that shows that the line represented along the 73-73 of Figure 71 is cut open.

The specific embodiment

With reference to accompanying drawing, figure 1 illustrates single liner plate handle G of one embodiment of the present invention, it is connected to the axle 55 of golf clubs GC.In Fig. 2, single liner plate golf handle PG is shown as the axle 57 that is connected to push rod P.Referring now to remaining figure, the preferred form of handle G comprises single liner plate handle S, it is by the skin 60 of the condensate that bonds together, optimization polyurethane, and twine and bond to the condensate of the flexible liner cover U of traditional structure, the internal layer 62 of preferred ethylene acetate copolymer (EVA) is formed.

The skin 60 of single liner plate disclosed herein is often referred to layer of polyurethane.Though polyurethane is preferred material, also can uses other materials and reach some advantages.Specifically, also can use other polymerization stickiness compounds to form skin and to reach some advantages.Equally, internal layer 62 is often referred to the EVA layer.Though preferred EVA should be appreciated that other polymeric layers also can be used for other embodiments of the present invention.

With reference to Fig. 3-6, the outer surface of EVA layer 62 is fixed to the inner surface of layer of polyurethane 60 with adhesive 30, and this layer of polyurethane 60 is preferably condense (coagulate) to limit pore (as shown in Figure 6).A kind of method for optimizing that forms the polyurethane-EVA thin plate (not shown) that is fit to is disclosed in the U.S. Patent No. 6,627,027 that licensed to the applicant on September 30th, 2003.For example, a kind of method for optimizing that forms the layer of polyurethane 60 of aforementioned polyurethane-EV A thin plate is disclosed in the U.S. Patent application No.10/746 that on December 23rd, 2003, the applicant proposed, in 764.In case form polyurethane-EVA thin plate, then preferred thin plate with traditional method crush-cutting to form the liner plate S of shape shown in Figure 3.Same crush-cutting can form notch N1, N2 at the top margin 107 of liner plate S and the center on base 108 respectively as required.Notch N1, N2 serve as a mark to help liner plate S to be centrally located on the neck bush U.Though the additive method of centralized positioning liner plate S is also arranged, also preferred these notches N1, N2 are because it can reduce cost and not influence the profile of final handle G.An embodiment of the other method of centralized positioning liner plate S is disclosed among following Figure 16-19.

In optimal way, the thickness that the thickness of layer of polyurethane is approximately 0.3-0.5mm and EVA layer is approximately 0.8-1.7mm.Layer of polyurethane 60 provides golfer's the liner plate handle of hand on golf clubs, simultaneously by the stickiness that increase is provided between player's hand and handle increase the golfer hand grip.EVA layer 62 has increased the intensity of layer of polyurethane and has been connected to damp-proof device on the neck bush U as the polyurethane and the EVA that are used for being fixedly attached to together.

Referring now to Fig. 7-15, it has shown the first mould M, it can be used for respectively outer surface at layer of polyurethane 60 and forms friction and strengthen pattern 63 and form hot recessed horizontal sides 64 and 65 along the top and bottom on the top and bottom limit 107,108 of single liner plate S, and forms recessed horizontal sides 66a, 66b along the side of liner plate 109,110.Mould M comprises substrate B and is formed with the heated platen 67 of cavity 68.Referring to Fig. 9, the end of cavity 68 is provided with the protrusion 69 that dangles that acts on mutually with the outer surface of layer of polyurethane 60, strengthens pattern 63 so that form the friction of depressing.In Fig. 8, protrusion 69a, the 69b that dangles forms recessed limit 66a, 66b respectively.In Figure 11, as can be seen, the right-hand side of cavity 68 is formed with shoulder 70 with top margin 107 effect of liner plate S to form the recessed top margin 64 of heating in layer of polyurethane 60.The left-hand side of cavity is formed with similar shoulder 71 and forms heating recessed base 65 (Figure 10) with the base 108 along liner plate S.

In another embodiment, other patterns can be formed on the outer surface of layer of polyurethane 60.Figure 12 has shown periphery sides 107,108,109, the 110 formation friction enhancing patterns 63 of mould M along liner plate S, and does not form the view of the alternate design of hot recessed limit 64,65,66a, 66b.Referring to Figure 13, another kind of design keeps major part outer 60 level and smooth, and visual indicia is as identifying 116 bases 108 that are arranged near liner plate S.In Figure 14, shown that friction strengthens another embodiment of pattern.Second pattern 118 be combined with along by be similar to tire tread pattern that friction shown in Figure 12 strengthens pattern 63 around the visual indicia that extends of main liner plate length.Figure 14 has also shown the view that is used for another device that the input decoration designs or identifies on handle liner plate S.The visual indicia of impression is stamped on the layer of polyurethane 60 as identifying the 114 ink ink-jets of having known for use those skilled in the art that are fit to.In optimal way, ink is waterproof and heat-resisting ink, in more preferably mode, described ink set for when with the whole end that is used at 57 (Fig. 2) of axle 55 (Fig. 1) of golf clubs GC or push rod P on apply and can prevent its degradation when the lubricating fluid of the handle G (the internal layer U with liner plate S) that finishes or solvent contact.Should be appreciated that above-mentioned these modes are representational, many other patterns and the impression single liner plate handle of polyurethane-EVA therewith use.

The cross sectional view that Figure 15 cuts open for the line that the 15-15 along Figure 12 represents.It has shown that the friction that is formed on the contiguous layer of polyurethane 60 strengthens pattern 63.

Referring now to Figure 16-19, it has shown the second mould M2 of single liner plate handle G that can be used to make one embodiment of the present invention.Liner plate S is shown as with its of the first mould M out of position.Mould M2 comprises substrate 71 and is formed with the heated platen 72 of cavity 73.Substrate also is formed with the cavity 74 that holds layer of polyurethane 60, and EVA layer 62 is contained in the cavity 73 of heated platen 72 simultaneously.The top and bottom limit of heated platen 72 and side are formed with and the top and bottom limit 107,108 of EVA layer 62 and the peripheral shoulder 76a, the 76b that dangle of side 109,110 effects.When heated platen 72 downwards when the EVA layer advances, its periphery will compress by shoulder 76a, 76b, and heat transmits to increase the density of layer of polyurethane 60 outsides by the EVA layer.Densification is by being achieved from the heat that shoulder 76a, 76b transmit through EVA layer 62.In addition, be provided with when the longitudinal center of EVA layer 62 shown in Figure 19 forms the pillar 72a (Figure 17) that dangles of line of weakness SL-1, can form the alternative form of centralized positioning notch N1, N2 in the heated platen 72 of the second mould M2.In another embodiment, the shoulder 76a, the 76b that do not dangle of the heated platen of the second mould M2.Certainly, it has the pillar 72a that dangles forming line of weakness SL-1, and does not increase the outside 107,108,109 of layer of polyurethane 60 and 110 density.

Referring now to Figure 20-23, it has shown by the cutter 120 of a pair of rotation on top margin 107 that acts on liner plate S as shown in figure 20 and base 108 and 122 and the outside of the liner plate S of single rotary cutter 124 skivings.Cutter 120 and 122 forms the limit 130,132 of top and bottom skiving.Cutter 124 is shown as when first side 109 behind the skiving, forms the side 134 of skiving and the side 136 of another skiving among Figure 22 on the side of the liner plate S in Figure 21.Pressure plare 83 is used in skiving operating period liner plate S being fixed on substrate 84.Referring to Figure 22, should be noted that the skiving on the opposite side 109,110 of liner plate S is preferably parallel to each other.In optimal way, skiving will have the width of about 4.0-6.0mm.In another embodiment, not skiving top margin 107 and/or base 108.

Referring now to Figure 24-27, it has shown the neck bush U that is formed by elastomeric material such as natural or artificial rubber or plastics.Lining U can be included in the integral cap 85 on its top, and the bottom of lining can be formed with the whole cover 86 that connects.In optimal way, the downside of lid 85 is formed with the circumferential slit 87 that extends down.In optimal way, slit 87 holds the skiving limit, top 130 of the liner plate S that will be explained below.In optimal way, connect cover 86 and be formed with upwardly extending slit 88, in optimal way, its peripheral lip 89 by the slit 88 of outside formation is limited, so that hold the skiving limit, bottom 132 of the liner plate S that will be explained below in this way.In optimal way, neck bush U will be formed with the expression handle liner plate S that is used for finishing and be applied to neck bush U, centralized positioning notch N3, the N4 of the mid point of the handle G that finishes with formation.Alternately, neck bush U can be formed with vertically extending line of weakness SL-2 (not shown).

Referring now to Figure 28-37, shown the liner plate S that is applied to neck bush U.In Figure 28, shown that the outer surface of neck bush U is accepted adhesive 90 by nozzle, brush etc.In Figure 29, shown that the inner surface of EVA layer 62 is accepted adhesive 90 by nozzle, brush etc.

The S of liner plate shown in Figure 30 has shown twines and bonds to the view of neck bush U.In this operating period, notch N1, the N2 of liner plate S is set to arrange under notch N3, the N4 of neck bush U.In addition, line of weakness SL-1 and the SL-2 setting that can be arranged in rows.In another embodiment, line of weakness can be used in combination with notch, so that liner plate S is positioned on the neck bush U between two parties.In addition, the skiving limit, top 130 of liner plate S will be inserted in the slit 87 of liner lid 85 by hand, and the skiving limit, the end 132 of liner plate S is formed at the slit 88 interior (referring to Figure 43 and 44) that connects in the cover 86 with manual being inserted in by interim outwardly-bent outer lip 89.

Shown in Figure 35,36 and 37, the skiving side 134,136 of liner plate S will bond together by the adhesive 90 that is fit to, so that limit the seam 91 that extends through liner plate.Because skiving side 134,136, seam 91 extends through liner plate with the angle of the degree of depth of relative liner plate S, so that increase the length of this seam of comparing with the seam of the degree of depth extension that is parallel to liner plate.The increase length of seam provides stronger connection.As those skilled in the art, should be perfectly clear to previous disclosed explanation, can there be diverse ways that liner plate is connected to neck bush U.Be used to connect the EVA layer and the suitable adhesive 90 that polyurethane/EVA liner plate is wound into liner is preferably butanone (C ₆H ₅CH ₃) and the composition of TS008 polyurethane.Those skilled in the art should be clear, and these compounds can make up with various ratios.Yet a kind of suitable ratio of combination is 8: 1.Should be clear as those skilled in the art; U.S. Patent number No.6 the applicant; 627; 027 explanation in open; people can buy Ho Ya electricity binding agent (the Ho Ya Electric Bond Factory of factory that has by by the emerging Co., Ltd of the new wind path of Chinese Guangdong province Dongguan dan Jie Zhen; Xin Xing Ind.Area.Xin Feng W.Rd.; ShiJie Town Dong Guan City; Guan Dong; Province, the EVA of the adhesive coating 30 of the protection sheet of China) producing covering.Other possibility is for expecting the mode that is used for liner plate S is fixed to neck bush U, including, but not limited to the adhesive tape that is formed by the adhesive 90 that is not liquid in addition.

In one embodiment, stay seam 91 separately, and the handle G-1 that finishes is similar to the handle among Figure 32.

Figure 43 and 44 has shown the amplification cross sectional view that the line represented along the 43-43 among Figure 42 and 44-44 is cut open respectively.It is represented after liner plate S has bonded to internal layer U, the skiving limit, top 130 of liner plate S and the final placement location on skiving limit, the end 132.As can be seen, the skiving limit, top 130 of liner plate S securely is arranged on and covers in 85 the slit 87.Similarly, skiving limit, the end 132 is fixedly installed in the slit 88 that connects cover 86.Certainly, also can be with skiving top margin 107 not and/or slit 87 or 88 that skiving base 108 is injected separately in.Then, the handle of finishing is removed from axle 92, and preparation is packed into and bonds in a conventional manner the axle of golf clubs GC or push rod P by slip.

With reference to Figure 38-42, shown the embodiment after liner plate has bonded to neck bush U.Figure 38 has shown the neck bush U that supports by the axle on the plate 93 92, and the heated pressure tooth 94 (Figure 39) of longitudinal extension compresses the view of layer of polyurethane 60 at the place, outside of seam 91 simultaneously.Heating tooth 94 with the layer of polyurethane 60 that aligns in the outside of seam 91 in form little groove 95 so that further reinforced seam 91.The embodiment of the handle G-2 that finishes is presented among Figure 42.

Except groove 95 is filled with the hot polyurethane 96 (Figure 39) by nozzle, brush etc., Figure 45-48 has shown the golf club grip G-3 that is similar to handle G-2.After polyurethane 96 hardening, it can be by suitable polishings (buff) such as brush 97 smoothly to be fused into grip surface as shown in figure 46.Alternately, after it was filled with hot polyurethane 96, polishing groove 95 did not polish.

Referring now to Figure 49-52, shown another embodiment of handle G-4.Handle G-4 does not use groove 95.Certainly, as shown in figure 50, seam 91 applies by the deposition of the small amount of thermal polyurethane 96 of nozzle, brush etc.After polyurethane 96 hardening, they can be by brush 97 polishings such as grade that are fit to, smoothly to be fused into the grip surface shown in Figure 51.In addition, polyurethane 96 does not polish.

In another embodiment, adhesive 90 is sprayed on the EVA layer 62, so that it covers EVA layer 62 and does not extend to cover the limit of layer of polyurethane 60.After liner plate S twined neck bush U, hot polyurethane 96 can inject between the layer of polyurethane of seam 91 by entry needle, brush, sprayer etc.After polyurethane 96 hardening, it can merge any polyurethane 96 that overflows from seam with the surface smoothing ground at handle by brush 97 polishings such as grade that are fit to.Alternately, polyurethane 96 does not polish.

Referring now to Figure 53-63, shown the improved procedure of the handle of Figure 32-52.In Figure 53-55, be shown as hot polyurethane 96 and be applied on the whole seam 91 by nozzle, brush etc.In Figure 56-58, be shown as hot polyurethane 96 by filling grooves 95 such as nozzle, brushes.In another embodiment, hot polyurethane 96 injects between layer of polyurethane along seam.Figure 59 has shown the view of the 3rd mould M3 with heated platen 100, and wherein the downside of heated platen 100 is formed with embossment strengthens pattern 63 in the lip-deep friction of the layer of polyurethane 60 of handle part 63a.When polyurethane deposition 96 was still awfully hot, heated platen 100 compressed the outer surface of layer of polyurethane 60 on the whole area of seam 91.Adopt this to be provided with, the friction that the area of outside layer of polyurethane 60 outsides of seam 91 is formed with Figure 60 strengthens part 63a, merges thereby make part 63a and friction on the layer of polyurethane 60 that before had been molded into handle G strengthen pattern 63.Figure 63 has shown to have the view that strengthens this handle G-5 of pattern 63 with the friction of the fusion of the axle 55 of placing and bond to golf clubs GC.Alternately, in another embodiment, heated platen 100 can compress exposed seam 91 and strengthen pattern 63 to form friction, rather than at first applies along seam 91 with hot polyurethane 96.Pressing friction to strengthen pattern 63 directly goes except the step in the production process on seam 91, and reduced production cost.

Referring now to Figure 64-73, it has shown the view that is used to use the single liner plate handle of the polyurethane-EVA PG with traditional push rod P.Handle PG comprises elastic inner layer UP (Figure 64-68), and except neck bush UP was not the structure of annular, it was similar to aforesaid internal layer U generally.On the contrary, the front surface 98 of neck bush UP is the slab construction according to the design of normally used most of push rod.Should be appreciated that, neck bush UP hold polyurethane-EVA structure with the similar single liner plate SP of aforementioned single liner plate S.This single liner plate SP is twining and to bond on the neck bush about the same mode of the liner plate P among the single liner plate handle of the polyurethane-EVA G-1-G-5 with above-mentioned, and two same parts of handle are carried out mark with same label.Similarly, if tooth 94 ' be used to produce groove 95 ', this groove 95 ' can stay separately or with hot polyurethane 96 ' filling and stay separately or with polishing such as brush 97 ' wait (for example with reference to Figure 38-63, at the possible improved procedure of the handle of this explanation) then.In one embodiment, shown in Figure 69, liner plate SP is level and smooth.Compare with usually relevant with other rods long brandishing, because play ball into the relative shortening of brandishing of hole, push rod P is subjected to less power usually, so, can think, golf handle PG do not need friction enhancing pattern 63 '.Alternately, the bigger heating embossing pattern (not shown) that liner plate SP can strengthen pattern 63 ' (not shown), China ink seal vision indication 118 ' (not shown) with the indication of less heating embossment vision as sign 114 ' (not shown), the friction of hot embossment, extend liner plate 118 ' most of length is combined, or its any combination or improvement.

Should be appreciated that the outer surface of implementing handle of the present invention can pass through the thin layer coating with polymer material, optimization polyurethane (not shown) such as brush, nozzle, sprayer, to protect this surface, increases its adherence and increases its durability.

Golf club grip of the present invention provides for the existing handle that twines and several advantages of single liner plate handle.Additionally, this handle has the outward appearance of molding, and the single-piece handle is subjected to liking of specialty and accessible golfer.Though some golfers are unwilling to use unconventional winding golf clubs, because this handle provides the absorbing and the stickiness texture of twining handle, so they are ready to play with overall structure handle of the present invention.In addition, polymer material such as EVA alleviate the handle quality of golf clubs as the use of internal layer, and prevent from moisture is absorbed inappositely the handle of golf clubs.

Should be appreciated that those of ordinary skills can aforementionedly relatively specify makes various improved procedures and change, and can not break away from theme tone of the present invention.

Claims

1. handle that is used for golf grip, this handle comprises:

The flexible liner cover of telescopically slip cap on the handle of golf clubs;

Comprise the outer field single liner plate of the polyurethane that is bonded to the EVA internal layer, described liner plate has the structure corresponding to the outer shape of described resilient bushing;

Described single liner plate twines and it is bonded on the described neck bush around described neck bush; And

The longitudinal seam that the side of described liner plate is adjacent to each other and extends to described outer field outer surface from the inner surface of described internal layer to limit.

2. the handle of golf grip according to claim 1 is characterized in that:

The side of liner plate is by skiving, so that described seam extends through liner plate with respect to the degree of depth of liner plate with the angle that tilts.

3. the handle of golf grip according to claim 1 is characterized in that:

The recessed channel shaped of heat is formed in the skin of described seam outside to strengthen described seam.

4. the handle of golf grip according to claim 1 is characterized in that:

Described seam covers by the polyurethane deposit.

5. the handle of golf grip according to claim 2 is characterized in that:

The recessed groove of heat externally is formed at the skin of described seam to strengthen described seam along the length of described seam.

6. the handle of golf grip according to claim 3 is characterized in that:

The recessed groove of described heat covers by the polyurethane of smooth polishing.

7. the handle of golf grip according to claim 4 is characterized in that:

Described polyurethane deposit is polished smoothly.

8. the handle of golf grip according to claim 5 is characterized in that:

Described seam covers by described polyurethane deposit.

9. the handle of golf grip according to claim 8 is characterized in that:

Described deposition is polished smoothly.

10. the handle of golf grip according to claim 8 is characterized in that:

Described skin has the thickness near 0.3 to 0.5mm.

11. a handle that is used for golf grip, described handle comprises:

The flexible liner cover, it comprises and is formed with downwards in the face of the lid of slit and is formed with upward the cover that connects of circumferential slot that the exterior section that connects grooving limits by peripheral lip;

Comprise the outer field single liner plate of the polyurethane that is bonded on the EVA internal layer, described liner plate has the structure corresponding to the outer shape of described flexible liner cover;

Described single liner plate bonds to described neck bush, the longitudinal seam that the side of described liner plate is adjacent to each other and extends to described outer field outer surface from the inner surface of described internal layer to limit around described neck bush winding and with it; And

The top margin of described liner plate remains on regularly and covers in the slit, and the base of described liner plate by described peripheral lip remained on regularly connect the cover slit in.

12. the handle of golf grip according to claim 11 is characterized in that:

The side of described liner plate is by skiving, so that described seam extends through described liner plate with respect to the degree of depth of described liner plate with the angle that tilts.

13. the handle of golf grip according to claim 11 is characterized in that:

The recessed groove of heat forms with the described seam of further enhancing along the described outer field length of described seam.

14. the handle of golf grip according to claim 11 is characterized in that:

The outside of described seam covers with the polyurethane deposit.

15. the handle of golf grip according to claim 14 is characterized in that:

Described polyurethane deposit is polished smoothly.

16. the handle of golf grip according to claim 13 is characterized in that:

The recessed groove of described heat covers by the polyurethane deposit.

17. the handle of golf grip according to claim 16 is characterized in that:

The smoothed processing of described polyurethane.

18. the handle of golf grip according to claim 13 is characterized in that:

The side of described liner plate is by skiving, so that seam extends through described liner plate with respect to the degree of depth of described liner plate with the angle that tilts.

19. the handle of golf grip according to claim 11 is characterized in that:

Described skin has the thickness near 0.3 to 0.5mm.

20. a handle that is used for golf grip, described handle comprises:

The friction that is formed on the outer field outside strengthens pattern;

Described single liner plate twines and it is bonded on the described neck bush around described neck bush;

The longitudinal seam that the side of described liner plate is adjacent to each other and extends to described outer field outer surface from the inner surface of described interior lining panel to limit;

Be formed in the described skin of seam outside to strengthen the hot recessed groove of described seam;

Be positioned at the polyurethane deposit on the described seam; And

The part that described friction strengthens pattern is formed on the outside of described seam, so that strengthen pattern and merge mutually with friction on being formed at described outer field described outside.

21. the handle of golf grip according to claim 20 is characterized in that:

Described seam tilts to extend through described liner plate.

22. the handle of golf grip according to claim 20 is characterized in that:

Described skin has the thickness near 0.3 to 0.5mm.

23. a handle that is used for golf grip, described handle comprises:

The friction that is formed on the described outer field outside strengthens pattern;

Described single liner plate bonds to described neck bush around described neck bush winding and with it, the longitudinal seam that the side of described liner plate is adjacent to each other and extends to described outer field outer surface from the inner surface of described internal layer to limit,

Be formed in the described skin of described seam outside to strengthen the hot recessed groove of described seam;

Be arranged in the polyurethane deposit of described groove; And

The part that described friction strengthens pattern is formed in the polyurethane deposit of described seam outside, so that strengthen pattern and merge mutually with friction on being formed at described outer field outside.

24. the handle of golf grip according to claim 20 is characterized in that:

Described flexible liner cover comprises and is formed with downwards in the face of the lid of slit and is formed with upward the cover that connects to circumferential slot, the described exterior section that connects grooving limits by peripheral lip, the top margin of described liner plate is remained in the described lid slit regularly, and the base of described liner plate by peripheral lip remained on regularly connect the cover slit in.

25. the handle of golf grip according to claim 23 is characterized in that:

The flexible liner cover comprises and is formed with downwards in the face of the lid of slit and is formed with upward the cover that connects of circumferential slot that the described exterior section that connects grooving limits by peripheral lip; And

The top margin of described liner plate is remained on regularly to be covered in the slit, and the base of described liner plate by peripheral lip remained on regularly connect the cover slit in.

26. the handle of golf grip according to claim 23 is characterized in that:

Described skin has the thickness near 0.3 to 0.5mm.

27. a method that is used to make the handle of golf grip, described method comprises step:

The flexible liner cover of telescopically slip cap on the handle of golf clubs is provided;

Provide to comprise the outer field single liner plate of the polyurethane that is bonded to the EVA internal layer, institute's liner plate has the structure corresponding to the outer shape of described resilient bushing;

The side of liner plate is contiguous to together to limit the longitudinal seam that extends to described outer field outer surface from the inner surface of described internal layer.

28. method according to claim 27 is characterized in that further comprising step:

Skiving liner plate side is so that seam extends through described liner plate with respect to the degree of depth of described liner plate with the angle that tilts.

29. method according to claim 27 is characterized in that further comprising step:

In the described skin of seam outside, form the recessed groove of heating to strengthen described seam.

30. method according to claim 27 is characterized in that further comprising step:

Cover described seam with polyurethane.

31. method according to claim 29 is characterized in that further comprising step:

In described groove, deposit polyurethane.

32. a method that is used to make the handle of golf grip, described method comprises step:

The flexible liner cover is provided;

Provide to comprise the outer field single liner plate of the polyurethane that is bonded to the EVA internal layer, described liner plate has the structure corresponding to the outer shape of described resilient bushing;

On described outer field outside, form friction and strengthen pattern;

On the length of seam, apply the polyurethane deposit; And

On the polyurethane deposit of seam outside, form the part that friction strengthens pattern, merge mutually thereby the friction on making this part and being formed at described outer field outside strengthens pattern.

33. method according to claim 32 is characterized in that further comprising step:

Form the recessed groove of heating in the described skin of described seam outside, described groove holds described polyurethane deposit.

34. method according to claim 32 is characterized in that:

Described neck bush comprises the lid that is formed with downwards in the face of slit, and described lining also comprise be formed with by peripheral lip limit upward to the cover that connects of circumferential slot, and

When described lining twines described liner plate, the top margin of liner plate is advanced to the circumferential slot of lid, and the base of liner plate is advanced the described circumferential slot that connects cover.

35. method according to claim 33 is characterized in that:

Described neck bush comprises the lid that is formed with downwards in the face of slit, and lining also comprise be formed with by peripheral lip limit upward to the cover that connects of circumferential slot, and

When described lining twines described liner plate, the top margin of liner plate is advanced to the circumferential slot of lid, and the base propelling of liner plate is connect the circumferential slot of cover.

36. method according to claim 33 is characterized in that further comprising step:

The side of the described liner plate of skiving is so that described seam extends through described liner plate with respect to the degree of depth of described liner plate with the angle that tilts.