FR2157667A5 - - Google Patents

Info

Publication number
FR2157667A5
FR2157667A5 FR7237556A FR7237556A FR2157667A5 FR 2157667 A5 FR2157667 A5 FR 2157667A5 FR 7237556 A FR7237556 A FR 7237556A FR 7237556 A FR7237556 A FR 7237556A FR 2157667 A5 FR2157667 A5 FR 2157667A5
Authority
FR
France
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
FR7237556A
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.)
SAFETICURB Ltd
Original Assignee
SAFETICURB Ltd
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 SAFETICURB Ltd filed Critical SAFETICURB Ltd
Application granted granted Critical
Publication of FR2157667A5 publication Critical patent/FR2157667A5/fr
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
    • 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
    • B28B7/303—Cores; Mandrels adjustable, collapsible, or expanding specially for making undercut recesses or continuous cavities the inner section of which is superior to the section of either of the mouths

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Sewage (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
FR7237556A 1971-10-19 1972-10-18 Expired FR2157667A5 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4855671 1971-10-19
GB2581472A GB1403985A (en) 1971-10-19 1972-06-02 Apparatus for use in the manufacture of drainage blocks

Publications (1)

Publication Number Publication Date
FR2157667A5 true FR2157667A5 (fr) 1973-06-01

Family

ID=26257892

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7237556A Expired FR2157667A5 (fr) 1971-10-19 1972-10-18

Country Status (9)

Country Link
JP (1) JPS4849815A (fr)
AU (1) AU475606B2 (fr)
CA (1) CA978725A (fr)
DE (1) DE2250641C3 (fr)
ES (1) ES407731A1 (fr)
FR (1) FR2157667A5 (fr)
GB (1) GB1403985A (fr)
IE (1) IE38294B1 (fr)
NL (1) NL171240C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4950434A (en) * 1985-04-29 1990-08-21 Permaban Southeast, Inc. Arrangement for the production of longitudinal screed slabs consisting of concrete
MY131435A (en) * 1993-06-23 2007-08-30 Khoo Tian A set of parts for use in building, and a method of using same
EP3988268A1 (fr) * 2020-10-23 2022-04-27 Georg Weidner Système de fabrication pour matériaux de construction à chambre creuse

Also Published As

Publication number Publication date
IE38294B1 (en) 1978-02-15
IE38294L (en) 1973-04-19
DE2250641B2 (de) 1979-03-01
ES407731A1 (es) 1975-10-16
AU475606B2 (en) 1976-08-26
CA978725A (en) 1975-12-02
DE2250641C3 (de) 1979-10-18
GB1403985A (en) 1975-08-28
AU4770572A (en) 1974-04-26
NL171240C (nl) 1983-03-01
NL171240B (nl) 1982-10-01
NL7213932A (fr) 1973-04-25
DE2250641A1 (de) 1973-04-26
JPS4849815A (fr) 1973-07-13

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Legal Events

Date Code Title Description
ST Notification of lapse