FR696689A - Perfectionnements aux balles de tennis - Google Patents

Perfectionnements aux balles de tennis

Info

Publication number
FR696689A
FR696689A FR696689DA FR696689A FR 696689 A FR696689 A FR 696689A FR 696689D A FR696689D A FR 696689DA FR 696689 A FR696689 A FR 696689A
Authority
FR
France
Prior art keywords
tennis ball
tennis
ball
ball improvements
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SPALDING AND BROS FRANCE AG
Original Assignee
SPALDING AND BROS FRANCE AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SPALDING AND BROS FRANCE AG filed Critical SPALDING AND BROS FRANCE AG
Application granted granted Critical
Publication of FR696689A publication Critical patent/FR696689A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D22/00—Producing hollow articles
    • B29D22/04—Spherical articles, e.g. 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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/0073—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor of non-flat surfaces, e.g. curved, profiled
    • 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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
FR696689D 1930-06-05 1930-06-05 Perfectionnements aux balles de tennis Expired FR696689A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR696689T 1930-06-05

Publications (1)

Publication Number Publication Date
FR696689A true FR696689A (fr) 1931-01-06

Family

ID=9046743

Family Applications (1)

Application Number Title Priority Date Filing Date
FR696689D Expired FR696689A (fr) 1930-06-05 1930-06-05 Perfectionnements aux balles de tennis

Country Status (1)

Country Link
FR (1) FR696689A (fr)

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