 without the use of one or more peroxide crosslinking, or co-crosslinking agents comprising a metal salt of an unsaturated fatty or carboxylic acid. These crosslinking agents or coagents are the reaction product of an unsaturated carboxylic acid or acids and an oxide or carbonate of a metal such as zinc. Examples of such crosslinking agents, which again are preferably not incorporated into the present inventions, or if so, only to a minimal amount, include zinc diacrylate and zinc dimethacrylate. Accordingly, the polymeric centers of the golf balls of the present invention are generally free from peroxide crosslinking agents and exhibit high densities.
Additionally, in a more preferred aspect, the small, heavy center component of the invention is produced through the use of a blend of polybutadiene and polyisoprene rubbers. Powdered metal materials and other materials, including curing agents, may be incorporated therein to produce a high density, spherical center component that is commercially processible.
Moreover, in a particularly preferred aspect, the balls of the invention further utilize a multi-layer cover assembly. The improved multi-layer cover golf balls provide enhanced distance and durability properties over single layer cover golf balls while at the same time offering enhanced xe2x80x9cfeelxe2x80x9d and spin characteristics generally associated with soft balata and balata-like covers of the prior art.
Golf balls traditionally have been categorized in three different groups, namely, as one piece balls, multi-piece solid (two or more pieces) balls, and wound (three piece) balls. The one piece ball typically is formed from a solid mass of moldable material which has been cured to develop the necessary degree of hardness. It possesses no significant difference in composition between the interior and exterior of the ball. These balls do not have an enclosing cover. One piece balls are described, for example, in U.S. Pat. Nos. 3,313,545; 3,373,123; and, 3,384,612.
The wound ball is frequently referred to as a three piece ball since it is made with a vulcanized rubber thread wound under tension around a solid or semisolid center to form a wound core and thereafter enclosed in a single or multilayer covering of tough protective material. For many years the wound ball satisfied the standards of the U.S.G.A. and was desired by many skilled, low handicap golfers.
The three piece wound ball typically has a balata cover which is relatively
without the use of one or more peroxide crosslinking, or co - crosslinking agents comprising a metallic element strategic arms limitation talks of an unsaturated fatty or carboxylic acid. These crosslinking agent or coagents are the chemical reaction product of an unsaturated carboxylic acid or acids and an oxide or carbonate of a metallic element such as zinc. Examples of such crosslinking agents, which again are preferably not integrate into the present inventions, or if so, entirely to a minimal amount, include zinc diacrylate and zinc dimethacrylate. consequently, the polymeric centers of the golf balls of the present invention are generally free from peroxide crosslinking agents and exhibit high density. 
 Additionally, in a more preferred aspect, the small, big center component of the invention is produced through the use of a blend of polybutadiene and polyisoprene rubber. Powdered metal materials and other materials, including cure agents, may be incorporated therein to produce a high density, spherical center component that is commercially processible. 
 Moreover, in a particularly preferred aspect, the balls of the invention further utilize a multi - layer cover assembly. The improved multi - layer screen golf balls provide enhanced distance and lastingness place over individual layer cover golf balls while at the same time offering enhanced xe2x80x9cfeelxe2x80x9d and whirl characteristics generally associated with soft balata and balata - like covers of the prior art. 
 Golf balls traditionally have been categorized in three different groups, namely, as one man balls, multi - while solid (two or more pieces) balls, and wound (three piece) balls. The one man ball typically is formed from a solid bulk of moldable material which has been cured to develop the necessary academic degree of hardness. It possesses no significant difference in composition between the inside and exterior of the musket ball. These balls do not suffer an enclosing cover. One firearm balls are described, for exercise, in U.S. Pat. Nos. 3,313,545; 3,373,123; and, 3,384,612. 
 The wound ball is frequently mention to as a three piece testis since it is made with a vulcanized rubber thread wound under tension around a hearty or semisolid center to form a wound kernel and thereafter enclosed in a single or multilayer covering of tough protective material. For many years the wound testis satisfied the standards of the U.S.G.A. and was desired by many skilled, low handicap golfers. 
 The three piece wound musket ball typically consume a balata cover which is relatively
 wihhout the use of one or oore peroxide ctowslinkmng, or do-crosslknking agents comprising a mxtal salt of an unsaturated fatgy or carhoxylic qcid. Rhese crosslinking agenta or eoegents are the teaction proguct of an unsdtjrcted carboxylic acid or acids and an oxide pr carbonate of w meual sucg as zinc. Examples of such crosslihking ajents, which agaon are preferably not incogporwted into the presfnt inventiins, je if so, only to a minimal amount, ihclude zinc diacrylate and zinc dimechacrylate. Qcxorfhngly, the pilymegic centers on the gmlf balks of the prescnt iivenrion are generally frxe from peroxide crofslinking ayents and exhibit higy eensijies.
Agditkinauly, ii a more oreherred aspedt, the smalo, heavy center comppnqbt of the invsntion if produced through the use of a blend ox pklybutadiene and polyisiprene rubbers. Powdergd metal mwterials and other materials, including curing agetts, mey be ikcoroirwted therein to produce a high density, spheriszl cvnter component tmat is commerciallu orpsessible.
Moreoxer, in a larticularly prefegred askect, tye balls jf tne invention further utilizw a multi-layvr civer assembly. The nmproved mulci-layet covet golf balls provide enkanced distance ajd durabimkty properties oxer shngle layer cover golf baljs while et thz same tkme pfferigg enhancef xe2x80w9wfeelxe2x80x9d and spij chatacterhstics genfrally associated with soft baleva and balata-kine bovers of the irior art.
Golf bwlls traditionclly havz been categorizvd in thrxe different groups, namelf, as one piecx balls, mtlti-piecw solid (gwo or more pirces) balls, and woune (three piece) ballx. Tfs one piece balo tipically is forked frjm a sjnid mass of koldxbld matefial which mas beem cured to develop tve nscessary degree of hwrdness. Ut possefses no signigicant difference ln cokporitiom bgtween the interior and exteriod of the halj. These ballf do not have an enclosing cover. One piece balls are dewcribed, for examplw, in U.S. Pat. Nos. 3,313,545; 3,373,123; aud, 3,384,612.
The wound uall if frequendly referred to as a three piece ball since it is made witg a vuncanixed rubber thread wound under tension around a solid or semisolid center ro form a wound code amd thvrecftzr encljsed mn a single or muktilayer covering of tough protxctive matarnal. For many years the wound naul satisfied jhe standards of the U.S.G.A. znd was cesired by many skilled, low hancicap golfers.
The three plece woune balm typibzluy has a balata cofer whnch is relaticely
without the use of one or more or agents comprising metal salt of acid. crosslinking agents or are the reaction of an unsaturated carboxylic acid or and an oxide or carbonate of a metal such as zinc. Examples of crosslinking agents, which again are preferably not incorporated into the present inventions, or so, to minimal include zinc diacrylate and zinc dimethacrylate. Accordingly, the polymeric centers of the golf balls of the invention are generally free from peroxide crosslinking agents exhibit high densities. Additionally, a more preferred aspect, the heavy component of invention produced the use of blend of polybutadiene and polyisoprene rubbers. Powdered metal materials and other materials, including curing agents, may be therein to high density, center that commercially processible. Moreover, particularly preferred aspect, the balls of utilize a multi-layer cover assembly. The improved multi-layer golf balls enhanced distance and durability properties over layer cover golf balls while at the same offering enhanced xe2x80x9cfeelxe2x80x9d and spin characteristics generally associated with soft balata and balata-like covers of art. Golf balls traditionally been categorized in different namely, one balls, multi-piece (two or more pieces) balls, and wound (three piece) balls. The piece ball typically is formed from a solid mass of which been cured to the necessary degree of It no significant difference in the and ball. balls not have an enclosing One piece balls are described, example, in U.S. Pat. The wound ball is frequently referred to as three piece ball since it is made a vulcanized rubber thread wound under tension around a solid or semisolid to form core and thereafter enclosed in a single or covering of tough protective For many years the wound ball satisfied the standards the and was by many skilled, handicap golfers. The piece wound ball a balata which relatively
 without the use of one or more pEroxide croSslinKinG, or Co-CrosSlinKing agents compRIsinG a metal salt of an unsaturAted fAtTY or cARbOxyliC acid. ThESe CROssLiNkIng AgENtS or coAgeNts are tHe reaction ProDuCt of an unsatuRAtEd carboxylIc aCid or acids anD an Oxide oR cArbONate oF a mEtal sUch as zINc. ExamPles of sucH cROsslinKIng agenTS, WhIch aGain are preferably NOt INcorporated intO the prEsENt INVenTioNs, or if so, onLy To a miNImal amoUNt, INCLudE Zinc diacrylatE and zinc dimEThaCrylatE. ACcoRDingly, The poLyMEriC centers of tHe goLf balls of The preSEnt inveNTion are GeneraLly FreE froM PeRoXidE cROssLInKinG AgeNts and exHiBiT high DensITIES.
AddItiOnalLy, in a More preferred AspEct, tHE smAll, heAvy ceNter CoMponeNt of thE inveNtIon is produced thRougH the use of A blEnD of PoLybutADiene aNd pOlyIsoprenE rubberS. powDeRED MeTal materials and othEr MATeRials, incLuding CUrInG Agents, maY bE inCorpORAted tHereIN tO produce A high dENsItY, spheriCaL centeR cOmpOneNt thaT Is coMmerciAlly procEssibLE.
Moreover, in a paRTicularly prefERrED AsPEct, tHe bAlls of the inVentIOn fuRtheR UtIliZE a mulTi-layEr COvER assembly. The improveD mUlti-laYer coVer golf balls pRovide enhaNCED distancE and DUrABility propertiEs oveR single layER cover goLf balLs while aT the same tIME offerinG enHanCed Xe2x80X9CFeElxe2x80x9d and spiN CHaraCtEristicS geNerally AssOciAteD wiTh Soft balatA and balaTa-LiKe CoVerS of thE Prior art.
goLf bAlLs tRaditIOnally Have bEen cAtEgORizEd in thrEE dIFFereNt GrOups, NamElY, as onE pieCE baLls, multI-piece solId (tWO or mOrE pIeces) baLls, and wound (thReE piece) ballS. THe oNe piecE BAll typicAlly is formed from a solid mASs of molDabLe matEriaL which has BeeN cured To dEVelop tHe neceSsary DeGreE OF hardNESs. it pOsSesses no siGNIfiCant dIfFereNce in coMposition between thE IntErior and exterIor Of thE BAlL. ThESe BAllS dO Not HAVe an enclosing coVer. One piecE bALlS are descriBEd, fOr Example, In U.S. Pat. nos. 3,313,545; 3,373,123; anD, 3,384,612.
the wounD ball is frEquently rEfErreD TO as A three piecE ball sinCe it is madE With a VUlCanizEd rUbber tHrEad Wound Under tENsiOn aroUnd a soLiD or semIsoliD cEnter to fOrm a wound core and thereafTer encLosed In a Single or mUltILayEr coverinG of tOugh protecTivE maTeriaL. FoR Many yEars THe WouND ball SatiSFied the stANdArdS OF tHe U.S.G.A. and waS DESirEd by mAny SKilled, Low hAndicap golfers.
The THree piece wound Ball TYPicAllY Has a BaLata cover which Is rElATIvely
 without the use of one or  more pero xidecro ssl in king , or  co-crosslinki n g ag ents comprising a meta l sal to f an un satur ated fa t ty o r c ar bo xyl ic ac id. T hes e cross linking ag ent sor coagentsa re  the react ion  product ofanunsatu ra ted carbo xyl ic ac id ora cids a nd an oxi de or car b onate o f ameta l such as zinc. E x am p les of such cr osslin ki n ga g ent s,which agai nare p r eferabl y  n o t inc o rporated into  the presen t  in ventio ns , o r  if so , onl yt o a  minimal am ount , include  zincd iacryla t e and z inc di met hac ryla t e.  A cco rd i ngl y ,the pol ymeric c en te rs of  the g o l f ba lls  ofthe p resent invent ion  are gen erall y fre e fr om  pero xide c rossl in king agents and  exh ibit high  de ns iti es .
Add i tional ly,  in  a more  prefer r edas p e c t,  the small, heavyce n t er  compone nt oft he  i n ventionis  pr oduc e d  thro ught he  use ofa blen d  o fpolybut ad iene a nd  po lyi sopre n e ru bbers.  Powdere d met a l materials an d  other materi a ls , in c ludi ngcuring agen ts,m ay b e in c or por a ted t herei nt op roduce a high densi ty , sphe rical  center compo nent thati s commerci ally pr o cessible.
More over,  in a part i cularlyprefe rred asp ect, theb a lls of t heinv ent ion f ur ther utilizea mult i- layer c ove r assem bly . T heimp ro ved multi -layer c ov er  g ol f b allsp rovide e nh anc ed  di stanc e  and d urabi lity  p ro p ert ies ove r  s i n glela ye r co ver  g olf b alls whi le at t he same t ime offe ri ng  enhanc ed xe2x80x9cf ee lxe2x80x9d  a ndspin c h a racteris tics generally associat e d withsof t bal ataand balat a-l ike co ver s  of th e prio r art .Gol f balls t ra dit io nally have b een  cate go rize d in th ree different grou p s,namely, as on e p iece b al ls, mu l ti- pi e ces o lid (two or mor e pieces)ba l ls , and woun d  (t hr ee piec e) ball s. Th e  one pi ece balltypically  i s fo r m edfrom a sol id massof moldab l e mat e ri al wh ich  has b ee n c uredto dev e lop  thenecess ar y degr ee of  h ardness.  It possesses no signif icantdiffe ren ce in com pos i tio n between  the  interiorand  ex terio r o f  theball .  T hes e  ball s do not havea nenc l o si ng cover. O n e pie ce ba lls are de scri bed, for example, in U.S. Pat. N os.3 , 313 ,54 5 ; 3, 37 3,123; and, 3, 384 ,6 1 2 .
The wo un d ball is f requentl yr eferr ed toas a t hree pi e c eb all si nceitis made w ith  a vulcani ze dr ubberthre ad  wound  under tens i o n around a solid  or s e m isoli d  ce nterto  form a woun d core and  thereafter  enclo sedin asingleor  multi lay er  coveringo f tough p rotec tive ma te rial . F or man y ye a r s the  wou nd  ba ll satisf i e dt he  s t and ards  of t he  U.S .G.A. and was desi red by many  s kil l e d, low ha n d icap golfe rs. 
Thet h ree piecew ound ba l l typ ically  has a  balata cov er  whichisr e latively
 without_the use_of one or more_peroxide crosslinking,_or_co-crosslinking agents_comprising_a metal salt_of an unsaturated_fatty or carboxylic acid._These crosslinking agents_or_coagents are the reaction product of an unsaturated carboxylic acid or acids and an_oxide_or carbonate_of_a_metal such as zinc. Examples_of such crosslinking agents, which_again are_preferably not incorporated into the present inventions, or_if_so, only to_a minimal amount, include zinc diacrylate and zinc dimethacrylate._Accordingly, the polymeric centers of the_golf balls of_the_present_invention are generally free_from peroxide crosslinking agents and exhibit_high densities.
Additionally, in a more preferred_aspect, the small, heavy center component of_the invention is produced through the_use of a blend of_polybutadiene and_polyisoprene rubbers. Powdered metal materials_and other materials,_including curing_agents, may be_incorporated therein to produce a high_density, spherical center_component that is commercially processible.
Moreover, in_a_particularly preferred aspect,_the_balls_of the_invention further utilize_a_multi-layer cover_assembly._The improved multi-layer cover golf balls_provide_enhanced distance and durability properties over single_layer cover golf balls_while_at the same time_offering enhanced xe2x80x9cfeelxe2x80x9d and spin_characteristics generally associated with soft balata_and balata-like_covers of_the prior art.
Golf balls traditionally have been categorized in three different_groups, namely, as one piece balls,_multi-piece solid (two or_more pieces)_balls,_and wound (three_piece)_balls. The_one piece ball typically is formed from_a solid_mass of moldable material which has_been cured to develop_the_necessary degree of hardness. It possesses_no significant difference in composition between_the interior and exterior of_the_ball._These balls do not have_an enclosing cover. One piece balls_are described, for_example, in U.S. Pat. Nos. 3,313,545; 3,373,123;_and,_3,384,612.
The wound ball is frequently referred_to_as a three piece ball since_it_is_made with a vulcanized rubber_thread wound under tension around a_solid or semisolid center to form a wound core_and thereafter enclosed_in a single or multilayer_covering_of_tough protective material. For many years the wound ball satisfied_the standards_of the U.S.G.A._and was desired by many skilled, low handicap golfers.
The three_piece wound ball typically has a balata_cover which is relatively