GB1403985A - Apparatus for use in the manufacture of drainage blocks - Google Patents

Apparatus for use in the manufacture of drainage blocks

Info

Publication number
GB1403985A
GB1403985A GB2581472A GB2581472A GB1403985A GB 1403985 A GB1403985 A GB 1403985A GB 2581472 A GB2581472 A GB 2581472A GB 2581472 A GB2581472 A GB 2581472A GB 1403985 A GB1403985 A GB 1403985A
Authority
GB
United Kingdom
Prior art keywords
block
passage
drainage
oct
manufacture
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
GB2581472A
Other languages
English (en)
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
Priority to GB2581472A priority Critical patent/GB1403985A/en
Priority to IE135272A priority patent/IE38294B1/xx
Priority to CA153,415A priority patent/CA978725A/en
Priority to AU47705/72A priority patent/AU475606B2/en
Priority to NL7213932A priority patent/NL171240C/xx
Priority to DE19722250641 priority patent/DE2250641C3/de
Priority to JP10327172A priority patent/JPS4849815A/ja
Priority to FR7237556A priority patent/FR2157667A5/fr
Priority to ES407731A priority patent/ES407731A1/es
Publication of GB1403985A publication Critical patent/GB1403985A/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
    • 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)
GB2581472A 1971-10-19 1972-06-02 Apparatus for use in the manufacture of drainage blocks Expired GB1403985A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
GB2581472A GB1403985A (en) 1971-10-19 1972-06-02 Apparatus for use in the manufacture of drainage blocks
IE135272A IE38294B1 (en) 1971-10-19 1972-10-05 Apparatus for use in the manufacture of drainage blocks
CA153,415A CA978725A (en) 1971-10-19 1972-10-06 Apparatus for use in the manufacture of drainage blocks
AU47705/72A AU475606B2 (en) 1971-10-19 1972-10-12 Apparatus for use in the manufacture of concrete products
NL7213932A NL171240C (nl) 1971-10-19 1972-10-13 Inrichting te gebruiken bij de vervaardiging van betonprodukten met een doorgang en een daarop aansluitende gleuf naar het bovenvlak.
DE19722250641 DE2250641C3 (de) 1971-10-19 1972-10-16 Formkern zur Herstellung von Entwässerungsblöcken aus Beton
JP10327172A JPS4849815A (de) 1971-10-19 1972-10-17
FR7237556A FR2157667A5 (de) 1971-10-19 1972-10-18
ES407731A ES407731A1 (es) 1971-10-19 1972-10-18 Aparato para uso en la fabricacion de productos de hormigonque tienen pasos a su traves.

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
GB1403985A true GB1403985A (en) 1975-08-28

Family

ID=26257892

Family Applications (1)

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

Country Status (9)

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

Cited By (2)

* 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
US6027094A (en) * 1993-06-23 2000-02-22 Tian; Khoo Set of parts for use in building and a method of using same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3988268A1 (de) * 2020-10-23 2022-04-27 Georg Weidner Herstellungssystem für baustoff-bauteile mit hohlkammer

Cited By (2)

* 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
US6027094A (en) * 1993-06-23 2000-02-22 Tian; Khoo Set of parts for use in building and a method of using same

Also Published As

Publication number Publication date
IE38294L (en) 1973-04-19
NL171240B (nl) 1982-10-01
ES407731A1 (es) 1975-10-16
DE2250641C3 (de) 1979-10-18
AU4770572A (en) 1974-04-26
FR2157667A5 (de) 1973-06-01
DE2250641B2 (de) 1979-03-01
IE38294B1 (en) 1978-02-15
JPS4849815A (de) 1973-07-13
NL7213932A (de) 1973-04-25
NL171240C (nl) 1983-03-01
AU475606B2 (en) 1976-08-26
DE2250641A1 (de) 1973-04-26
CA978725A (en) 1975-12-02

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years