US1690059A - Hard court for tennis and the like - Google Patents

Hard court for tennis and the like Download PDF

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Publication number
US1690059A
US1690059A US253188A US25318828A US1690059A US 1690059 A US1690059 A US 1690059A US 253188 A US253188 A US 253188A US 25318828 A US25318828 A US 25318828A US 1690059 A US1690059 A US 1690059A
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United States
Prior art keywords
tennis
slags
court
hard court
layer
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Expired - Lifetime
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US253188A
Inventor
Eilers Gerard Johannes
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q35/00—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
    • B23Q35/04—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually using a feeler or the like travelling along the outline of the pattern, model or drawing; Feelers, patterns, or models therefor
    • B23Q35/42—Patterns; Masters models
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q35/00—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
    • B23Q35/04—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually using a feeler or the like travelling along the outline of the pattern, model or drawing; Feelers, patterns, or models therefor
    • B23Q35/08—Means for transforming movement of the feeler or the like into feed movement of tool or work
    • B23Q35/10—Means for transforming movement of the feeler or the like into feed movement of tool or work mechanically only
    • B23Q35/101—Means for transforming movement of the feeler or the like into feed movement of tool or work mechanically only with a pattern composed of one or more lines used simultaneously for one tool
    • B23Q35/102—Means for transforming movement of the feeler or the like into feed movement of tool or work mechanically only with a pattern composed of one or more lines used simultaneously for one tool of one line
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/06—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003

Definitions

  • the invention has for its object to remove these inconveniences and consists of a court, which is formed by a bottom layer 1 of granulated, blast-furnace-slags, coated with a layer 2 of finer and sifted slags of the same kind, as is shown in Figure 1 of the drawings in cross-section.
  • the paving can also be prepared by a bottom layer 1 of said slags above which is a layer 3 consisting of a mixture of finer, sifted slags of the same kind and powdered bricks e. g. of red or green 001- our or a similar binding material, as is shown in Figure 2 of the drawings in cross-section.
  • a hard court produced according to the invention will present to the players a resilient, smooth paving with a suifieiently solid and durable surface, affording an extraordinary good drainage for liquid.
  • the materials used are porous and at the same time absorptive while they receive binding qualities after some time. 5
  • What I claim is A construction for a tennis court or the like comprising a bottom layer of coarse, granulated blast furnace slags having a rough surface and many projecting parts, and a top layer interlocking with said bottom layer and including a mixture of finer, sifted, granulated blast furnace slags of the same general character as the bottom layer and a binder of powdered brick dust.

Description

Oct. 30, 1928. I 1,690,059
G. J. EILERS HARD COURT FOR TENNl S AND THE LIKE Filed Feb. 9, 1928 //V/ 4 r0/ Q mrd J 576/8 6( W, flm M W 417]. i
Patented Oct. so, 1928.
UNITED STATES GERARD JOHANNES EILERS, OF AMSTERDAM, NETHERLANDS.
HARD COURT FOR TEN'NIS AND THE LIKE.
Application filed February 9, 1928, Serial No. 253,188, and in the Netherlands January 6, 1927. i
cient drainage for liquid so that they do not dry rapidly enough in order that play may be recommenced quickly after rain. Secondly,
it often occurs that when endeavoring to form a porous top layer the uppermost layer is prepared with a material which is not sufficiently repellent to footprints so that the required I smooth surface is not retained. Finally, when trying to produce a solid and yet sufliciently draining top layer the disadvantage occurs that the surface is too coarse, resulting in a too ready wear and tear ofthe shoes and of the balls and affording a risk of hurting the players when they'fall.
The invention has for its object to remove these inconveniences and consists of a court, which is formed by a bottom layer 1 of granulated, blast-furnace-slags, coated with a layer 2 of finer and sifted slags of the same kind, as is shown in Figure 1 of the drawings in cross-section.
According to the invention the paving can also be prepared by a bottom layer 1 of said slags above which is a layer 3 consisting of a mixture of finer, sifted slags of the same kind and powdered bricks e. g. of red or green 001- our or a similar binding material, as is shown in Figure 2 of the drawings in cross-section.
It will be found that a hard court produced according to the invention will present to the players a resilient, smooth paving with a suifieiently solid and durable surface, affording an extraordinary good drainage for liquid. The materials used are porous and at the same time absorptive while they receive binding qualities after some time. 5
I am aware that it has already been suggested to use not-granulated slags and bricks for the purpose of constructing tennis courts and the like, brL the use of the particular material according to this invention, i: e. granula'ted slags, is a salient feature of my invention.
What I claim is A construction for a tennis court or the like comprising a bottom layer of coarse, granulated blast furnace slags having a rough surface and many projecting parts, and a top layer interlocking with said bottom layer and including a mixture of finer, sifted, granulated blast furnace slags of the same general character as the bottom layer and a binder of powdered brick dust.
In testimony whereof I ailix my signature, at the city of Amsterdam, this 26th day of January, 1928. v
GERARD J OHANN ES EILERS.
US253188A 1927-01-06 1928-02-09 Hard court for tennis and the like Expired - Lifetime US1690059A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL22480T 1927-01-06

Publications (1)

Publication Number Publication Date
US1690059A true US1690059A (en) 1928-10-30

Family

ID=32960280

Family Applications (1)

Application Number Title Priority Date Filing Date
US253188A Expired - Lifetime US1690059A (en) 1927-01-06 1928-02-09 Hard court for tennis and the like

Country Status (5)

Country Link
US (1) US1690059A (en)
DE (1) DE476884C (en)
FR (1) FR641693A (en)
GB (1) GB283168A (en)
NL (1) NL22480C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4376595A (en) * 1980-08-08 1983-03-15 Arthur Shaw Monolithic water-permeable concrete roadway and related large area structures with integral drainage elements
US4453844A (en) * 1980-08-08 1984-06-12 Arthur Shaw Monolithic water-permeable concrete roadway and related large area structures with integral drainage elements

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2494739A1 (en) * 1980-11-26 1982-05-28 Court Pierre Dressing for sports surfaces - comprises layers of clay, sand and shale covered by baked clay
EP0061135B1 (en) * 1981-03-24 1985-01-16 Günther Martens KG Use of blast-furnace slag sand in building dykes
FR2711684B1 (en) * 1993-10-28 1996-01-19 Bouisset Alain Screed for sports floors.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4376595A (en) * 1980-08-08 1983-03-15 Arthur Shaw Monolithic water-permeable concrete roadway and related large area structures with integral drainage elements
US4453844A (en) * 1980-08-08 1984-06-12 Arthur Shaw Monolithic water-permeable concrete roadway and related large area structures with integral drainage elements

Also Published As

Publication number Publication date
DE476884C (en) 1929-05-31
GB283168A (en) 1928-03-15
FR641693A (en) 1928-08-08
NL22480C (en) 1928-11-15

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