FR771187A - Rubber mold for cement pipes, reinforced or not - Google Patents

Rubber mold for cement pipes, reinforced or not

Info

Publication number
FR771187A
FR771187A FR771187DA FR771187A FR 771187 A FR771187 A FR 771187A FR 771187D A FR771187D A FR 771187DA FR 771187 A FR771187 A FR 771187A
Authority
FR
France
Prior art keywords
reinforced
rubber mold
cement pipes
cement
pipes
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)
Inventor
Degaine Alexandre Auguste
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 filed Critical
Application granted granted Critical
Publication of FR771187A publication Critical patent/FR771187A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/28—Cores; Mandrels
    • B28B7/30—Cores; Mandrels adjustable, collapsible, or expanding
    • B28B7/32—Cores; Mandrels adjustable, collapsible, or expanding inflatable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/86—Cores
    • B28B21/88—Cores adjustable, collapsible or expansible
FR771187D 1934-12-26 1934-04-04 Rubber mold for cement pipes, reinforced or not Expired FR771187A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR45735T 1934-12-26

Publications (1)

Publication Number Publication Date
FR771187A true FR771187A (en) 1934-10-02

Family

ID=8681443

Family Applications (3)

Application Number Title Priority Date Filing Date
FR771187D Expired FR771187A (en) 1934-12-26 1934-04-04 Rubber mold for cement pipes, reinforced or not
FR45459D Expired FR45459E (en) 1934-12-26 1934-11-12 Rubber mold for cement pipes, reinforced or not
FR45735D Expired FR45735E (en) 1934-12-26 1934-12-26 Rubber mold for reinforced or non-reinforced cement pipes

Family Applications After (2)

Application Number Title Priority Date Filing Date
FR45459D Expired FR45459E (en) 1934-12-26 1934-11-12 Rubber mold for cement pipes, reinforced or not
FR45735D Expired FR45735E (en) 1934-12-26 1934-12-26 Rubber mold for reinforced or non-reinforced cement pipes

Country Status (1)

Country Link
FR (3) FR771187A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6469033B1 (en) * 1996-09-27 2002-10-22 Aventis Pharma Deutschland Gmbh Use of 1-hydroxy-2-pyridones for the treatment of skin diseases
EP1174234A3 (en) * 2000-07-18 2003-05-14 Kalenborn Kalprotect - Dr. Mauritz GmbH & Co. KG Method and apparatus for lining the inner wall of pipes
EP2547835A2 (en) * 2010-03-16 2013-01-23 John Anthony Douglas Bruce Durham Improvements in or relating to hollowcore slabs

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6469033B1 (en) * 1996-09-27 2002-10-22 Aventis Pharma Deutschland Gmbh Use of 1-hydroxy-2-pyridones for the treatment of skin diseases
EP1174234A3 (en) * 2000-07-18 2003-05-14 Kalenborn Kalprotect - Dr. Mauritz GmbH & Co. KG Method and apparatus for lining the inner wall of pipes
EP2547835A2 (en) * 2010-03-16 2013-01-23 John Anthony Douglas Bruce Durham Improvements in or relating to hollowcore slabs
EP2944736A1 (en) * 2010-03-16 2015-11-18 John Anthony Douglas Bruce Durham Improvements in or relating to hollowcore slabs

Also Published As

Publication number Publication date
FR45459E (en) 1935-09-12
FR45735E (en) 1935-11-18

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