GB1368126A - Method and apparatus for casting a cylindrical object - Google Patents

Method and apparatus for casting a cylindrical object

Info

Publication number
GB1368126A
GB1368126A GB5462071A GB5462071A GB1368126A GB 1368126 A GB1368126 A GB 1368126A GB 5462071 A GB5462071 A GB 5462071A GB 5462071 A GB5462071 A GB 5462071A GB 1368126 A GB1368126 A GB 1368126A
Authority
GB
United Kingdom
Prior art keywords
former
mould
sand
binder
lining
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
GB5462071A
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.)
Ahlstrom Corp
Original Assignee
Ahlstrom Corp
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 Ahlstrom Corp filed Critical Ahlstrom Corp
Publication of GB1368126A publication Critical patent/GB1368126A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C23/00—Tools; Devices not mentioned before for moulding
    • B22C23/02—Devices for coating moulds or cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
    • B22C15/10—Compacting by jarring devices only

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mold Materials And Core Materials (AREA)

Abstract

1368126 Lining foundry moulds A AHLSTROM OSAKEYHTIO 24 Nov 1971 [24 Nov 1970] 54620/71 Heading B3F Foundry moulds 1 for large drying cylinders for use in the paper industry are provided with a lining 6 of sand containing a self-hardening binder, by locating a former 2 in a mould, pouring sand and binder into the annular cavity between the mould 1 and former 2, vibrating the former 2 and/or mould 1 to effect sand compaction and allowing the binder to set. As shown the former 2, which is frusto-conical and tapers towards its lower end, is provided with a spigot 8 which engages a bore 7 in the mould base. Cement-containing sand is poured around the former and compacted by vibrating devices 3. The annular cavity may be from 25 to 100 mm. in width and the taper of the former is 0À5 to 2 mm. per metre. This taper ensures that the drying cylinder is of constant cross section along its length by compensating for the increased degree of compaction of the sand towards the bottom of the mould due to hydrostatic melt pressure during casting.
GB5462071A 1970-11-24 1971-11-24 Method and apparatus for casting a cylindrical object Expired GB1368126A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI316370A FI46594C (en) 1970-11-24 1970-11-24 Method and apparatus for making a mold

Publications (1)

Publication Number Publication Date
GB1368126A true GB1368126A (en) 1974-09-25

Family

ID=8508086

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5462071A Expired GB1368126A (en) 1970-11-24 1971-11-24 Method and apparatus for casting a cylindrical object

Country Status (8)

Country Link
AT (1) AT318828B (en)
CA (1) CA962031A (en)
DE (1) DE2157249A1 (en)
FI (1) FI46594C (en)
FR (1) FR2115340B1 (en)
GB (1) GB1368126A (en)
IT (1) IT941244B (en)
SE (1) SE379158B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0565503A1 (en) * 1992-04-02 1993-10-13 Ab Volvo Method and casting mold for the production of cast-iron cylinder liners

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL70761A0 (en) * 1984-01-23 1984-04-30 Wekah Ltd Mould for large castings in metals and alloys

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0565503A1 (en) * 1992-04-02 1993-10-13 Ab Volvo Method and casting mold for the production of cast-iron cylinder liners
US5370170A (en) * 1992-04-02 1994-12-06 Ab Volvo Method and casting mold for the production of cast-iron cylinder liners

Also Published As

Publication number Publication date
AT318828B (en) 1974-11-25
FI46594B (en) 1973-01-31
CA962031A (en) 1975-02-04
DE2157249A1 (en) 1972-05-25
FI46594C (en) 1973-05-08
SE379158B (en) 1975-09-29
FR2115340A1 (en) 1972-07-07
FR2115340B1 (en) 1974-11-08
IT941244B (en) 1973-03-01

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees