US902330A - Manufacture of tennis and similar playing-balls. - Google Patents

Manufacture of tennis and similar playing-balls. Download PDF

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Publication number
US902330A
US902330A US44362108A US1908443621A US902330A US 902330 A US902330 A US 902330A US 44362108 A US44362108 A US 44362108A US 1908443621 A US1908443621 A US 1908443621A US 902330 A US902330 A US 902330A
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Prior art keywords
tennis
balls
indiarubber
manufacture
shell
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Expired - Lifetime
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US44362108A
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Frank Rowley
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Individual
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Priority to US44362108A priority Critical patent/US902330A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B39/00—Hollow non-inflatable balls, i.e. having no valves
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B45/00—Apparatus or methods for manufacturing balls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/62—Stitching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/72—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by combined operations or combined techniques, e.g. welding and stitching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/543—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining more than two hollow-preforms to form said hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/729—Textile or other fibrous material made from plastics
    • B29C66/7292—Textile or other fibrous material made from plastics coated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
    • B29C66/7375—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured
    • B29C66/73751—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured the to-be-joined area of at least one of the parts to be joined being uncured, i.e. non cross-linked, non vulcanized
    • B29C66/73752—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured the to-be-joined area of at least one of the parts to be joined being uncured, i.e. non cross-linked, non vulcanized the to-be-joined areas of both parts to be joined being uncured
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B39/00—Hollow non-inflatable balls, i.e. having no valves
    • A63B2039/006—Hollow non-inflatable balls, i.e. having no valves pressurised
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2102/00—Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
    • A63B2102/02—Tennis
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B39/00—Hollow non-inflatable balls, i.e. having no valves
    • A63B39/06—Special coverings
    • A63B39/08—Special coverings made of two halves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/54—Balls
    • B29L2031/548—Tennis balls

Definitions

  • This invention relates to lmprovements in tennis and similar playing balls, the obj eet of the improvements being to produce a more durable ball. Hi'therto, to attain the same object it has been proposed to .cement a restraining cover of fabric to' the outside of the interior indiarubber ball and to cement the usual felt outside covering to the fabric. This method has not been a success, probabl owing to manufacturing defects.
  • ow my invention consists principally, in using a layer of indiarubber outside the fabric, said layer being in an unstretched condition while the inner layer andfabric coveribn 1arein tension through the inflation of the
  • Figure 1' represents a vertical section through my improved ball
  • Fig. 2 a horizontal section with the innermost rubber shell removed, showing the positions of the several layers of materials.
  • the restraining cover or shell a is formed preferably of six or more segments of a spheroid cut from a suitable fa ric such as fine canvas indiarubber proofed on both sides, and cut on the bias so that when inflated a true sphere is obtained.
  • the segments of the fabric shell are referably stitched together with either overliipped or turned in seams, one seamv being left un- -fastened until the indiarubber lining is inserted, when it is stitched up.
  • the indiarubber lining b ma be first formed as a bladder havin a sma swellin such as c inside through W ich it can be in' ated by means of a needle ointed infiator.
  • the bladder is inserted tlirough the open seam as before stated.
  • the indiarubber lining may however be formed by inserting some indiarubber solution in the fabric shell and closing up the seam.
  • the shell isthen rolled round ⁇ until y I the solution is s read over the inside surface Be 1t known that I, FRANK RowLEY, a subclosing valve after being punctured, being g previously secured in position.
  • the outside of the shell a is coated with a thin covering d of indiarubber which may be applied in any suitable Way.
  • the shell may be coated by paintingwith indiarubber solution or. by cementing thin sheet indiarubber thereto.
  • the final or outer covering e is applied over the coating d. This may be of indiarubber compound, of a granulated nature or having a rou hened surface,
  • the ordinary felt covering may be a plied to m improved ball.
  • Tllfe canvas s ell a may be. made of two thicknesses of fabric.
  • the second, o1' outerthickness or layer is applied when the first or inner one is inflated, the two layers being, preferably, cemented together, the second or outer one either being made in two halves afterwards stitched toether when on the shell a or built round the atter.
  • the ball is finally lfinished by curing the indiarubber in a mold in therordinary way. If the ball is to be covered with felt this is done after curing by preference.

Description

. F. ROWLEY. MANUFAGTUBE 0F TENNIS' PLAYING BALLS. PPLIoATrq rrngp 'IU-LY 15,1908.
Patented 0cm?, 190`&
' FIG.
FRANK ROWLEY, OF WHALEY BRIDGE, ENGLAND.
MANUFACTURE OF TENNIS AND-SIMILAR PLAYING-BALLS.
Specification of Letters Patent.
Patented Oct. 27, 1908.
Application led July 15, 1908. Serial No. 443,621.
To all whom it 'may concern:
ject of the King of Great Britain, and resident of Whaley Bridge, in' the county of Chester, England,- 'have invented certain new and useful Improvements inthe Manufacture of Tennis and Similar Playing-Balls, of which the following is a specification.
This invention relates to lmprovements in tennis and similar playing balls, the obj eet of the improvements being to produce a more durable ball. Hi'therto, to attain the same object it has been proposed to .cement a restraining cover of fabric to' the outside of the interior indiarubber ball and to cement the usual felt outside covering to the fabric. This method has not been a success, probabl owing to manufacturing defects.
ow my invention consists principally, in using a layer of indiarubber outside the fabric, said layer being in an unstretched condition while the inner layer andfabric coveribn 1arein tension through the inflation of the On the drawing attached hereunto Figure 1' represents a vertical section through my improved ball, and Fig. 2 a horizontal section with the innermost rubber shell removed, showing the positions of the several layers of materials.
In makin the ball, the restraining cover or shell a is formed preferably of six or more segments of a spheroid cut from a suitable fa ric such as fine canvas indiarubber proofed on both sides, and cut on the bias so that when inflated a true sphere is obtained. The segments of the fabric shell are referably stitched together with either overliipped or turned in seams, one seamv being left un- -fastened until the indiarubber lining is inserted, when it is stitched up. The indiarubber lining b ma be first formed as a bladder havin a sma swellin such as c inside through W ich it can be in' ated by means of a needle ointed infiator. The bladder is inserted tlirough the open seam as before stated. The indiarubber lining may however be formed by inserting some indiarubber solution in the fabric shell and closing up the seam. p The shell isthen rolled round `until y I the solution is s read over the inside surface Be 1t known that I, FRANK RowLEY, a subclosing valve after being punctured, being g previously secured in position.
When the shell a and lining b are complete and inflated to the desired hardness, the outside of the shell a, is coated with a thin covering d of indiarubber which may be applied in any suitable Way. For instance, the shell may be coated by paintingwith indiarubber solution or. by cementing thin sheet indiarubber thereto. Over the coating d is applied the final or outer covering e. This may be of indiarubber compound, of a granulated nature or having a rou hened surface,
or it may be of any-other suitable material. For instance, the ordinary felt covering may be a plied to m improved ball.
Tllfe canvas s ell a may be. made of two thicknesses of fabric. In this case, the second, o1' outerthickness or layer is applied when the first or inner one is inflated, the two layers being, preferably, cemented together, the second or outer one either being made in two halves afterwards stitched toether when on the shell a or built round the atter. The ball is finally lfinished by curing the indiarubber in a mold in therordinary way. If the ball is to be covered with felt this is done after curing by preference.
I claim as my invention:
The improved manufacture of tennis and similar playing balls which consists in first forming a restraining shell of shaped segments of indiarubber lproofed fabric sewn to- In testimony whereo' I have hereunto set.
my hand in the presence of two Witnesses. FRANK ROWLEY.
Witnesses: A
CARE BoLL, -WILLIAM JoNEs.
US44362108A 1908-07-15 1908-07-15 Manufacture of tennis and similar playing-balls. Expired - Lifetime US902330A (en)

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US44362108A US902330A (en) 1908-07-15 1908-07-15 Manufacture of tennis and similar playing-balls.

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US44362108A US902330A (en) 1908-07-15 1908-07-15 Manufacture of tennis and similar playing-balls.

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504345A (en) * 1982-07-30 1985-03-12 Dunlop Limited Tennis-balls
US4739989A (en) * 1985-03-05 1988-04-26 Intercon Markenartikel Fabrikation Und Vertrieb Gmbh Tennis ball
US20150045152A1 (en) * 2013-08-08 2015-02-12 NXT Sports Inc. Lacrosse Training Ball
US20180264326A1 (en) * 2017-03-14 2018-09-20 Wilson Sporting Goods Co. Tennis ball having a core with aerodynamic patterns
US20180264327A1 (en) * 2017-03-14 2018-09-20 Wilson Sporting Goods Co. Tennis ball having a core with internal material shift lines
US11192001B2 (en) 2020-02-11 2021-12-07 Wilson Sporting Goods Co. Tennis ball having a thermoplastic core
US11247103B2 (en) 2020-02-11 2022-02-15 Wilson Sporting Goods Co. Tennis ball having a thermoplastic core
US11426637B2 (en) 2020-02-11 2022-08-30 Wilson Sporting Goods Co. Tennis ball having a thermoplastic core

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504345A (en) * 1982-07-30 1985-03-12 Dunlop Limited Tennis-balls
US4739989A (en) * 1985-03-05 1988-04-26 Intercon Markenartikel Fabrikation Und Vertrieb Gmbh Tennis ball
US20150045152A1 (en) * 2013-08-08 2015-02-12 NXT Sports Inc. Lacrosse Training Ball
US20180264326A1 (en) * 2017-03-14 2018-09-20 Wilson Sporting Goods Co. Tennis ball having a core with aerodynamic patterns
US20180264327A1 (en) * 2017-03-14 2018-09-20 Wilson Sporting Goods Co. Tennis ball having a core with internal material shift lines
US10493327B2 (en) * 2017-03-14 2019-12-03 Wilson Sporting Goods Co. Tennis ball having a core with internal material shift lines
US10549159B2 (en) * 2017-03-14 2020-02-04 Wilson Sporting Goods Co. Tennis ball having a core with aerodynamic patterns
US11192001B2 (en) 2020-02-11 2021-12-07 Wilson Sporting Goods Co. Tennis ball having a thermoplastic core
US11247103B2 (en) 2020-02-11 2022-02-15 Wilson Sporting Goods Co. Tennis ball having a thermoplastic core
US11426637B2 (en) 2020-02-11 2022-08-30 Wilson Sporting Goods Co. Tennis ball having a thermoplastic core

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