US1982218A - Method of making golf and other playing balls - Google Patents

Description

NOV. 27, 1934. Fl Al MAR'nN METHOD OF MAKING GOLF AND OTHER PLAYING BALLS Original Fild June 5, 1955 Patented Nov. 27, 1934A METHOD F MAKING GOLFAND OTHER:

PLAYINGr BALLS Patrick Alphonsus Martin, Birmingham,

England original application June al 1933 serial No..

Divided and this application November15, 1933, Serial N0. 698,068. In' Great Britain June 4, 1932 Claims.

This application is a division of the 'application for patent for Golf and other playing balls, led in the United States Patent Once by the inventor herein on June 3, 1933,- bearing Ser.

' No. 674,236. v

This invention relates to theinethod of making golf and other playing! balls of the kind in which a cover of balata or other suitable material is moulded upon windings of tensioned rubber tape 1.0 and/or rubber thread usually wound upon a centre or core of any suitable character.

It is desirable for the rubber windings to be lubricated lin order to give to the ball an elicient resiliency and flexibility with effective length of night.

The objectV of the present invention is to enable a-n etlicient golf or other ball, having lubricated windings, to be produced in a practical manner, such ball having enhanced power of ight, as compared with a ball having non-lubricated windings, by reason of its eflicient resiliency and flexibility.

According to the invention a golf or other playing ball is produced by winding tensioned rubber upon a core, lubricating the windings after being applied to the core, enclosing the wound core within an envelope and applying outer windings and/or an outer cover upon the said envelope.

30.1 Figure 1 of the accompanying drawing represents partly in section and partly in elevation, a golf ball constructed in accordance with the present invention.

Figure 2 is an elevation, partly in section, of the core or centre of the ball.

Figure 3 shows, in elevation, the said core or centre partially wound with the initial rubber wrapping or winding.

Figure 4 shows the said core or centre partially ,lwound with the second rubber wrapping or wind- Ing.

Figure 5 represents, partly in elevation and partly in section, the core or centre after a third wrapping or winding has been applied, and prior to its being enclosed within the rubber envelope.

Figure 6 is an elevation, partly in section, of the wound core or centre after being introduced into the rubber envelope and before the latter is closed.

Figure 7 is a complete section of the wound core or central body after the enclosing envelope has been sealed.

Figure 8 is a plan of the said wound core or body when enclosed within the envelope. M Figure 9 represents an elevation, partly in section, off the inner body of the ball after being completely wound and prior to the application of the cover.

Figure 10 showsv a modification. ReferringutoFigures 1 to 9, the ball'comprises 66 a centre or core of anyv suitable character, for example, a colloid substance 1,. such as described in my Patent No, 1,022,248, enclosed within an elastic envelope 2. Upon this centre or core a short length, for example, about 12 inches, of 65 wide rubber tape 3 in ay dry or unlubricated condition is wound, 4as shown in Figure 3, the same being tensioned both' laterally and longitudinally while being Wound so as to envelope the core and' forni a firm basis for' the subsequent wind- 70 y ings. Upon this initial wrapping, a `second layer of somewhat narrower tape 4', also unlubri'cated, is wound under longitudinal tension as represented in Figure 4; and then a third layer of narrow rubber tape 5 is wound under tension 75'-I upon the said second covering, to form a third covering of substantial thickness, thereby producing the wound body shown in Figure 5. The exterior surface of this body then has any suitable lubricant such as soft soap, applied to it, Y' which lubricant will penetrate the windings and will effectively lubricate the same to give the desired resiliency and liexibilty while the ball is in play. The wound body shown in Figure 5 is next forced into a spherical rubber envelope or Vr bladder 6 (Figure 6) through a distensible neck part 7 thereof such neck being then cut oir close to the body of the envelope at the position indicated by the dotted line 8, Figure 6, leaving a very short reinforcing collar 9 which will obviate 90 f tearing of the envelope under the tension iIn-' posed upon it. The aperture 10 thus left in the envelope is closed or sealed by means of a rubber patch 11 cemented to the exterior of the envelope, as shown in Figures '7 and 8. A linal outer wind- 95 Y ing 12, of narrow rubber strip or thread, is then wound upon the dry exterior of the envelope 6, without any lubricant being applied to it, until an outer layer of substantial thickness is formed so as to produce the inner body shown in Figure 9, said body being of the desired diameter for receiving the usual balata or like covering 13, which is moulded upon the said outer layer. The invention provides a practical method of applying lubricant to the windings aroundy the core. The enclosing of the lubricated windings within an envelope enables the outer windings to be wound upon the lubricated wound inner part oi the ball without diliculty, and as these outer windings are applied in a dry or unvelope and comprising the core l, 2, and Windings 3, 4, 5, being built up to the necessary 4cliameter for receiving the outer cover 13 which is then moulded directly upon the said envelope 6.

It is to be understood that the centre or core may be of any suitable character. Thus, it may be solid, or may be hollow, or may comprise a liquid, uid or plastic material enclosed` Within ay container.

Having fully described my invention, what I desire to claim and secure by Letters Patent v1. A methodof manufacturing a golf or like ball consisting in Winding unlubricated strip rubber under tension upon a core; lubricating the exterior of said 'rubber' WindingY after being Wound, enclosing the core and lubricated winding Within an elastic envelope, sealing the elastic envelope, Winding further strip rubber upon the envelope, and moulding an outer cover upon the said outer Winding. n

2.'A method of manufacturing a golf or like ball' consisting in Winding strip rubber under tension upon a core, lubricating said rubber winding after being wound, enclosing the core and `Winding Within 'an elastic envelope having a dis "tensible neck byV forcing the same through the said neck, cutting oi the neck close to the body 4ball consisting in Winding strip rubber under tension upon a core, lubricating said rubber winding after being Wound, enclosing the core and winding Within an elastic envelope having a distensible neck by forcing the same through the said neck, cutting 01T the neck close to the ,bodyv ofthe envelope, closing the aperture to the envelope by cementing a piece of material over it, Winding rubber strip under tension upon the exterior of the envelope, and moulding an outer cover upon the said outer rubber winding.

4. A method of manufacturing a golf or like. ball consisting in winding unlubricated strip rubber under tension upon a core, lubricating the exterior of said rubber winding after being Wound, enclosing the core and lubricated Winding within an elastic envelope having a distensible neck by forcingthe same through the said neck, closing the aperture of the envelope, and enclosing the core, winding and-envelope with in an outer cover. I

5. A method of manufacturing a golf or like r1u() ball consisting in Winding unlubricated strip rubber under tension upon a core,r lubricating the exterior of said rubber winding after being wound, enclosing the core and lubricated winding within an elastic envelope having a distensi- 1,05 ble neck by 'forcing the same through thesaid neck, closing the aperture of the envelope, winding unlubricated strip rubber under tension upon the dry exterior surface of the envelope, and enclosing the core, inner Winding, envelope and up,

outer winding within an outer cover.

PA'I'RICKALPHoNsUs MARTIN.

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