FR580862A - Hollow balls and their manufacturing process - Google Patents

Hollow balls and their manufacturing process

Info

Publication number
FR580862A
FR580862A FR580862DA FR580862A FR 580862 A FR580862 A FR 580862A FR 580862D A FR580862D A FR 580862DA FR 580862 A FR580862 A FR 580862A
Authority
FR
France
Prior art keywords
manufacturing process
hollow balls
balls
hollow
manufacturing
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.)
Spalding SA Franc Des Ets
Original Assignee
Spalding SA Franc Des Ets
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 SA Franc Des Ets filed Critical Spalding SA Franc Des Ets
Application granted granted Critical
Publication of FR580862A publication Critical patent/FR580862A/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)
FR580862D 1923-05-08 1924-04-24 Hollow balls and their manufacturing process Expired FR580862A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US580862XA 1923-05-08 1923-05-08

Publications (1)

Publication Number Publication Date
FR580862A true FR580862A (en) 1924-11-18

Family

ID=22014583

Family Applications (1)

Application Number Title Priority Date Filing Date
FR580862D Expired FR580862A (en) 1923-05-08 1924-04-24 Hollow balls and their manufacturing process

Country Status (1)

Country Link
FR (1) FR580862A (en)

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