FR694993A - Dissolvable cores for the manufacture of hollow rubber articles - Google Patents

Dissolvable cores for the manufacture of hollow rubber articles

Info

Publication number
FR694993A
FR694993A FR694993DA FR694993A FR 694993 A FR694993 A FR 694993A FR 694993D A FR694993D A FR 694993DA FR 694993 A FR694993 A FR 694993A
Authority
FR
France
Prior art keywords
manufacture
hollow rubber
rubber articles
dissolvable
cores
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.)
Pirelli and C SpA
Original Assignee
Pirelli SpA
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 Pirelli SpA filed Critical Pirelli SpA
Application granted granted Critical
Publication of FR694993A publication Critical patent/FR694993A/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
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/52—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles soluble or fusible
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2021/00—Use of unspecified rubbers as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR694993D 1929-06-07 1930-05-05 Dissolvable cores for the manufacture of hollow rubber articles Expired FR694993A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT694993X 1929-06-07

Publications (1)

Publication Number Publication Date
FR694993A true FR694993A (en) 1930-12-10

Family

ID=11312270

Family Applications (1)

Application Number Title Priority Date Filing Date
FR694993D Expired FR694993A (en) 1929-06-07 1930-05-05 Dissolvable cores for the manufacture of hollow rubber articles

Country Status (1)

Country Link
FR (1) FR694993A (en)

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