CN1515334A

CN1515334A - Golf club head and its preparation process

Info

Publication number: CN1515334A
Application number: CNA031402445A
Authority: CN
Inventors: 里昂; 曾焕强
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-08-22
Filing date: 2003-08-22
Publication date: 2004-07-28
Anticipated expiration: 2023-08-22
Also published as: US20050043111A1; CN1231275C

Abstract

The present invention discloses a golf club ball-driving head. On the ball-driving head of said golf club a recessed groove is set, in the recessed groove a polymer insertion in inlaid, said polymer insertion is made up by using thermoplastic transparent polymer material, and its thickness is 2-25 mm, and said polymer insertion has a bright surface, and said recessed groove can be positioned in the ball-driving face plate of putter head, rear portion of iron head or top portion of wood head, and the undersurface of said described polymer insertion is equipped with a pattern design or identifier. Said polymer insertion also has vibration-absorbing effect.

Description

Golf club and preparation technology thereof

Technical field

The present invention relates to bulb of a kind of golf clubs and preparation method thereof, specifically, the present invention relates to a kind of bulb that has the transparent polymer decorative material and preparation method thereof.

Background technology

Golf clubs can be divided into putter (putter), iron (iron) and rod (wood also is long dozen bar driver).The main distinction of these clubs is the profile and the weight of bulb.The bulb of putter is generally made by metal material, adopts thermoset copolymer material to make basically but also have, as U.S. Pat 6,217, described in 459, in history even the putter of employing gutta-percha (gutta-percha) preparation hitting panel arranged.The bulb of iron is generally made by metal material, and rod be the earliest by timber make later because of timber easily impaired breaking replaced by metal material and composite gradually.

The multiple putter bulb that has the polymer inserts is disclosed in the prior art.U.S. Pat 5,575 discloses a kind of putter bulb that has inserts on hitting panel and preparation method thereof in 472; The bulb of this patent has a groove, pours the resinousness material in this groove into, makes its curing, polishes subsequently.And U.S. Pat 5,524, putter bulb that has inserts on a kind of panel and preparation method thereof is also disclosed in 331, but this patent is groove casting (casting) graphite-epoxy resin composite inserts at Metal Ball women's head-ornaments plate, increases moment of inertia with the weight at this place of shifting the centre.

U.S. Pat 5,485 discloses the putter bulb that a kind of panel is made by nonmetallic materials such as elastomer in 997, its objective is increase Sweet spot, and improve border weight.U.S. Pat 5,931 discloses the putter bulb that a kind of inserts is made by thermoplastic polyurethane in 743, and then discloses the putter bulb that a kind of inserts is made by Durometer A hardness 70 to the polyurethane of Shore D 80 in the U.S. Pat 5,458,332.

U.S. Pat 6,478, a kind of putter bulb is disclosed in 690, this bulb comprises bottom, apical cap, point, tail end, rear portion and front panel, wherein front panel has a groove, the inserts of being made by polymeric material is housed in the groove, and the Shore D of this inserts is 42-55, and shellfish Shore hardness is 55-70; The polymer that constitutes inserts is heat cured polyurethane, can make by polyurethane prepolymer and curing agent based on phenylene diisocyanate (PPDI), or make by polyurethane prepolymer and the curing agent based on toluene di-isocyanate(TDI) (TDI), also or by based on the polyurethane pre-polymerization of phenylene diisocyanate (PPDI), make based on the polyurethane prepolymer and the curing agent of toluene di-isocyanate(TDI) (TDI); The bulb of this patent also comprise by screw be connected on the bulb body, the separation layer of making by polymeric material and the weight adjustment part of making by tungsten alloy, the polymer that constitutes separation layer is preferably thermoplastic polyurethane, and the thickness of separation layer is the 0.020-0.100 inch.

U.S. Pat 6,217, a kind of putter bulb of being made by polymeric material integral body is disclosed in 459, and the batting panel that is made of metal is installed, said polymeric material is preferably thermosetting epoxy resin, also polyester, ABS resin, acetal (acetal), Merlon, PVC, polysulfone resin, glass fibre etc. can be, and the fiber of random distribution or rule trend can be contained in the said material.

U.S. Pat 5,135, a kind of rod bulb of that be made of metal, hollow is disclosed in 227, and in the bulb body of this hollow the filled core material, this core material is to expand through gas by the expansion pearl of microcapsule that will contain synthetic polymer and expanding gas to be fused into, and its volume density is 0.05-0.15g/cm ³

U.S. Pat 5,743 discloses a kind of made by stainless steel, rod bulb that hitting panel has three-decker in 813, and its three-decker is first stainless steel layer, elastic layer and second stainless steel layer.

U.S. Pat 6,435 discloses the rod bulb that a kind of batting panel has the texture coating in 980, to increase the durability of batting panel part; Said texture coating is made of polymer beads, carrier and coupling agent, and wherein polymer beads is dispersed in the carrier, and accounts for the 5-30% of whole texture coating volume; The thickness of coating is the 0.0005-0.003 inch.

Disclose the composite golf driver head that a kind of scope of attack has the protection plate among the Chinese patent CN93211978.6, it is arranged with a groove in the positive central authorities of head, and establishes a fiber-reinforced resin and hit layer in this groove; A kind of composite golf driver head is disclosed among the Chinese patent CN93202806.3, this bar head comprise that metal casting is one-body molded and be the shell of bar head main body shape, be sticked carbon fiber-reinforced epoxy resin inner casing, the substrate of this outer casing inner wall and make by carbon fiber-reinforced epoxy resin, in order to form the front bulkhead of the bar head scope of attack.

Can use polymer inserts or use to contain the composite of polymer on the golf clubs bulb although disclosed in the prior art, but polymer inserts of the prior art is materials such as heat cured polyurethane, polyester, epoxy resin basically, and when this type of inserts of preparation chemical reaction need take place in mould, as curing reaction or coupling reaction, this has increased many difficulty for preparation technology's control.In addition, the inserts for preparing lacks gloss, and transparency is not high, has greatly influenced the attractive in appearance of product.

Summary of the invention

The purpose of this invention is to provide a kind of golf club that has the thermoplastic transparent resin inserts and preparation method thereof.

On the one hand, the invention provides a kind of golf clubs bulb, this golf clubs bulb is provided with groove, be embedded with the polymer inserts in the groove, this polymer inserts is made by thermoplastic, transparent polymeric material, and thickness is 2-25mm, and has the surface of light; Described groove can be opened in that the batting panel place of putter bulb, the rear portion of iron bulb (rear section) locate or the apical cap place of rod bulb; Below described polymer inserts, be a design or sign.Because polymer inserts of the present invention is transparent light, thereby can clearly see this design or sign through this polymer inserts.Said design or sign can be made by polyethylene, polyurethane or aluminum alloy sheet etc.

In above-mentioned golf clubs bulb, thermoplastic, transparent polymeric material can be selected from polymethacrylates, polyacrylate, Merlon, PETG, transparent polypropylene, transparent polyethylene, transparent polyvinyl chloride, transparent nylon or thermoplastic polyurethane etc.; Preferably, thermoplastic, transparent polymeric material is selected from polymethyl methacrylate, PMA, Merlon or thermoplastic polyurethane.Most preferred thermoplastic transparent polymer is a lucite, i.e. polymethyl methacrylate (PMMA).

If above-mentioned golf clubs bulb is the bulb of putter, the thickness of polymer inserts generally is controlled in the scope of 2-12mm so, is preferably 4-10mm.

If above-mentioned golf clubs bulb is the iron bulb, the thickness of polymer inserts generally is controlled in the scope of 4-22mm so, is preferably 10-18mm.

If above-mentioned golf clubs bulb is the bulb of rod, the thickness of polymer inserts generally is controlled in the scope of 10-25mm so, is preferably 15-20mm.

On the other hand, the present invention also provides the method for the golf clubs bulb that a kind of preparation has the polymer inserts, and this method comprises the steps:

(1) groove on the golf clubs bulb is roughly ground, made its rough surface;

(2) put into required design or sign in the groove after corase grind;

(3) select required thermoplasticity, transparent polymer material, heating makes it to be melted into fluid;

(4) in the groove with the polymer fluid implantation step (2) of step (3) gained;

(5) make the polymer fluid bone dry and the sclerosis of having injected groove in the step (4);

(6) polymer gained, behind the bone dry in polishing step (5);

(7) polymer after the polishing in the step (6) is polished at a slow speed, up to obtaining the smooth fully and polymer inserts of whole clearing in surface.

In the method for the invention described above, in step (7) afterwards, the bulb of gained can be placed baking oven toast, the temperature of baking is about 60-80 ℃, the time of baking is generally a few hours, and concrete baking temperature and stoving time are then decided on selected polymeric material; And, can also on the polymer inserts of step (7) gained, apply the coating that increases brightness, protection surface, as spraying 3M company Bi Lize

In addition, in the method for the invention described above, the purpose that step (1) is roughly ground is to increase groove and the adhesion that is embedded polymer wherein, thereby increases the service life of bulb.Like this, just can avoid using adhesive etc.

Certainly, if there is not groove on the bulb, so just need increase by a step of on bulb, offering groove before in step (1).

Design of being put in step (2) or sign can not occupy the surface after all corase grind of groove fully, preferably not exclusively occupy the basal surface after the corase grind of groove; Because influencing one of the factor of the adhesion size of groove and polymer is its mating surface.

In step (3), become the temperature of fluid generally to be controlled at 80-150 ℃ the polymeric material heating and melting; The concrete temperature of selecting is relevant with selected polymeric material, process velocity etc.

The dry run of step (5) is preferably and vacuumizes drying; The time of whole dry run from a few hours were to tens of hours.

In the bruting process of step (6), can on polymer, be added with (as spraying) special solvent, as the organic solvent that selected polymeric material is had certain solvability, with prevent polymer because of when polishing temperature raise and cause quality to descend, crack as polymer surfaces.

Because the surface of step (6) gained generally has vaporific appearance, thereby need further polish in step (7); Can use another kind of solvent in this polishing process, as inorganic solvent, and this solvent can have certain pressure.

The prepared polymer inserts of the present invention is very attractive in appearance, surface-brightening, and whole inserts is bright, clearly polymer the inside or the design style below it, and this polymer inserts can adjust the center of gravity degree of depth, makes batting easily, and this polymer inserts also has shock-absorbing effect simultaneously.

Preparation technology of the present invention controls easily, the quality height of products obtained therefrom, and also production cost is low.

Below, come further to set forth particularly the present invention in conjunction with the accompanying drawings, but the present invention is not limited to the following specific embodiment; Any improvement that spirit is done according to the present invention or change all still belong to protection scope of the present invention.

Description of drawings

Fig. 1 a-c is the putter bulb schematic diagram that has the polymer inserts;

Fig. 2 a-c is the iron bulb schematic diagram that has the polymer inserts;

Fig. 3 a-c is the rod bulb schematic diagram that has the polymer inserts.

The specific embodiment

Referring to Fig. 1 a-c, offer a groove 12 on the batting surface 11 of putter bulb 10.Polishing basal surface 13 and other each inner surface in the groove 12 becomes coarse on its surface or forms the ditch line or form rough and uneven in surface.

Put into the logo sign 14 of aluminum in the groove 12 after above-mentioned polishing roughening; Heating lucite (PMMA) makes it to be melted into fluid, injects groove 12 then, and the amount of the PMMA that is injected makes its edge that exceeds groove 12 after sclerosis or is in same plane with the edge of groove 12; Under the state of finding time, in about 15 hours, make the polymer fluid bone dry and the sclerosis of injecting groove 12; In the presence of acetone, with the polymer belt sanding gained of 180#, behind the bone dry; Then in the presence of water under high pressure, polish with another kind of thinner abrasive band, up to obtaining the smooth fully and polymer inserts 15 of whole clearing in surface.

Referring to Fig. 2 a-c, offer a groove 22 in the behind portion 21 of iron bulb 20.Polishing basal surface 23 and other each inner surface in the groove 22 becomes coarse on its surface or forms the ditch line or form rough and uneven in surface.

Put into the logo sign 24 of aluminum in the groove 22 after above-mentioned polishing roughening; Heating PMMA makes it to be melted into fluid, injects groove 22 then, and the amount of the PMMA that is injected makes its edge that exceeds groove 22 after sclerosis or is in same plane with the edge of groove 11; Under the state of finding time, in about 20 hours, make the polymer fluid bone dry and the sclerosis of injecting groove 22; In the presence of acetone, with the polymer belt sanding gained of 180#, behind the bone dry; Then in the presence of water under high pressure, polish with another kind of thinner abrasive band, up to obtaining the smooth fully and polymer inserts 25 of whole clearing in surface.

Referring to Fig. 3 a-c, offer a groove 32 on the apical cap 31 of rod bulb 30.Polishing basal surface 33 and other each inner surface in the groove 32 becomes coarse on its surface or forms the ditch line or form rough and uneven in surface.

Put into the logo sign 34 of aluminum in the groove 32 after above-mentioned polishing roughening; Heating PMMA makes it to be melted into fluid, injects groove 32 then, and the amount of the PMMA that is injected makes its edge that exceeds groove 32 after sclerosis or is in same plane with the edge of groove 32; Under the state of finding time, in about 25 hours, make the polymer fluid bone dry and the sclerosis of injecting groove 32; In the presence of acetone, with the polymer belt sanding gained of 180#, behind the bone dry; Then in the presence of water under high pressure, polish with another kind of thinner abrasive band, up to obtaining the smooth fully and polymer inserts 35 of whole clearing in surface.

Claims

1, a kind of golf clubs bulb, this golf clubs bulb is provided with groove, is embedded with the polymer inserts in the described groove, it is characterized in that, described polymer inserts is made by thermoplastic, transparent polymeric material, and thickness is 2-25mm, and has the surface of light; Described groove is positioned at the batting panel place of putter bulb, the place, rear portion of iron bulb or the apical cap place of rod bulb; Below described polymer inserts, be a design or sign.

2, golf clubs bulb as claimed in claim 1, it is characterized in that described thermoplastic, transparent polymeric material is selected from polymethacrylates, polyacrylate, Merlon, PETG, transparent polypropylene, transparent polyethylene, transparent polyvinyl chloride, transparent nylon or thermoplastic polyurethane; Preferably, described thermoplastic, transparent polymeric material is selected from polymethyl methacrylate, PMA, Merlon or thermoplastic polyurethane.

3, golf clubs bulb as claimed in claim 2 is characterized in that, described golf clubs bulb is the putter bulb, and the thickness of described polymer inserts is 2-12mm, is preferably 4-10mm.

4, golf clubs bulb as claimed in claim 2 is characterized in that, described golf clubs bulb is the iron bulb, and the thickness of described polymer inserts is 4-22mm, is preferably 10-18mm.

5, golf clubs bulb as claimed in claim 2 is characterized in that, described golf clubs bulb is the rod bulb, and the thickness of described polymer inserts is 10-25mm, is preferably 15-20mm.

6, a kind of preparation has the method for the golf clubs bulb of polymer inserts, comprises the steps:

(1) groove on the golf clubs bulb is roughly ground, made its rough surface;

(2) put into required design or sign in the groove after corase grind;

(6) polymer gained, behind the bone dry in polishing step (5);

7, method as claimed in claim 6 is characterized in that, in step (7) afterwards, places baking oven to toast the bulb of gained, and the temperature of baking is about 60-80 ℃.

8, method as claimed in claim 6 is characterized in that, the dry run of step (5) is for vacuumizing drying.

9, method as claimed in claim 6 is characterized in that, in the bruting process of step (6), is added with solvent, with prevent polymer because of when polishing temperature raise and cause quality to descend.

10, method as claimed in claim 6 is characterized in that, in the polishing process of step (7), is added with band pressure solution agent.