FR972782A - Improvement in playing balls and in particular tennis balls - Google Patents

Improvement in playing balls and in particular tennis balls

Info

Publication number
FR972782A
FR972782A FR972782DA FR972782A FR 972782 A FR972782 A FR 972782A FR 972782D A FR972782D A FR 972782DA FR 972782 A FR972782 A FR 972782A
Authority
FR
France
Prior art keywords
balls
improvement
playing
particular tennis
tennis balls
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
French (fr)
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.)
Dunlop France SA
Original Assignee
Dunlop France SA
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 Dunlop France SA filed Critical Dunlop France SA
Application granted granted Critical
Publication of FR972782A publication Critical patent/FR972782A/en
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR972782D 1941-04-22 1941-04-22 Improvement in playing balls and in particular tennis balls Expired FR972782A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR972782T 1941-04-22

Publications (1)

Publication Number Publication Date
FR972782A true FR972782A (en) 1951-02-02

Family

ID=9516245

Family Applications (1)

Application Number Title Priority Date Filing Date
FR972782D Expired FR972782A (en) 1941-04-22 1941-04-22 Improvement in playing balls and in particular tennis balls

Country Status (1)

Country Link
FR (1) FR972782A (en)

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