GB228070A - Vents for moulders' flasks and core boxes - Google Patents

Vents for moulders' flasks and core boxes

Info

Publication number
GB228070A
GB228070A GB1741524A GB1741524A GB228070A GB 228070 A GB228070 A GB 228070A GB 1741524 A GB1741524 A GB 1741524A GB 1741524 A GB1741524 A GB 1741524A GB 228070 A GB228070 A GB 228070A
Authority
GB
United Kingdom
Prior art keywords
flasks
moulders
vents
core boxes
moulding
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
GB1741524A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1741524A priority Critical patent/GB228070A/en
Publication of GB228070A publication Critical patent/GB228070A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
    • B22C7/06—Core boxes
    • B22C7/065—Venting means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Working Implements (AREA)
  • Casting Devices For Molds (AREA)

Abstract

228,070. Demmler, H. L. Nov. 27, 1923. Flasks; moulds; core-boxes; patterns.-Flasks &c. particularly intended for use with the moulding-machine described in Specification 227,968 are provided with perforations that will pass air or other compressing fluid used but will not pass sand. The perforations preferably take the form of minute holes 202 formed in plugs so inserted in holes in the parts that the face of the plug forms part of the moulding-surface.
GB1741524A 1923-11-27 1923-11-27 Vents for moulders' flasks and core boxes Expired GB228070A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1741524A GB228070A (en) 1923-11-27 1923-11-27 Vents for moulders' flasks and core boxes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1741524A GB228070A (en) 1923-11-27 1923-11-27 Vents for moulders' flasks and core boxes

Publications (1)

Publication Number Publication Date
GB228070A true GB228070A (en) 1925-01-29

Family

ID=10094782

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1741524A Expired GB228070A (en) 1923-11-27 1923-11-27 Vents for moulders' flasks and core boxes

Country Status (1)

Country Link
GB (1) GB228070A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2563643A (en) * 1948-06-09 1951-08-07 Ranek Joseph P De Process for making cores
US2682690A (en) * 1950-06-05 1954-07-06 Mcwane Cast Iron Pipe Co Apparatus for blowing sand lined molds
US2807064A (en) * 1953-06-25 1957-09-24 Willard B Jay Core box vent
US3602289A (en) * 1968-07-29 1971-08-31 Charles W Barrett Vent construction for core boxes and the like and method of making same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2563643A (en) * 1948-06-09 1951-08-07 Ranek Joseph P De Process for making cores
US2682690A (en) * 1950-06-05 1954-07-06 Mcwane Cast Iron Pipe Co Apparatus for blowing sand lined molds
US2807064A (en) * 1953-06-25 1957-09-24 Willard B Jay Core box vent
US3602289A (en) * 1968-07-29 1971-08-31 Charles W Barrett Vent construction for core boxes and the like and method of making same

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