GB1202862A - Improvements in or relating to apparatus for use in the produciton of ceramic shell moulds - Google Patents

Improvements in or relating to apparatus for use in the produciton of ceramic shell moulds

Info

Publication number
GB1202862A
GB1202862A GB2489466A GB2489466A GB1202862A GB 1202862 A GB1202862 A GB 1202862A GB 2489466 A GB2489466 A GB 2489466A GB 2489466 A GB2489466 A GB 2489466A GB 1202862 A GB1202862 A GB 1202862A
Authority
GB
United Kingdom
Prior art keywords
tank
former
turret
arm
slurry
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
GB2489466A
Inventor
Kenneth Johnson
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.)
REDMAN HEENAN INTERNAT Ltd
Original Assignee
REDMAN HEENAN INTERNAT 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 REDMAN HEENAN INTERNAT Ltd filed Critical REDMAN HEENAN INTERNAT Ltd
Priority to GB2489466A priority Critical patent/GB1202862A/en
Publication of GB1202862A publication Critical patent/GB1202862A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/28—Slip casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C13/00—Moulding machines for making moulds or cores of particular shapes
    • B22C13/08—Moulding machines for making moulds or cores of particular shapes for shell moulds or shell cores
    • B22C13/085—Moulding machines for making moulds or cores of particular shapes for shell moulds or shell cores by investing a lost pattern
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/30—Drying methods

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Casting Devices For Molds (AREA)

Abstract

1,202,862. Apparatus for lost wax moulding. REDMAN HEENAN INTERNATIONAL Ltd. 4 Sept., 1967 [3 June, 1966], No. 24894/66. Heading B5A. Apparatus for producing ceramic shell moulds by the lost wax process comprises a first tank 16 to contain a ceramic slurry, a second tank 17 containing a fluidized ceramic powder, a third tank 18 for applying ammonia gas to the coated former and means for suspending the former above and for lowering the former into each tank in turn. As shown, the apparatus comprises five coating stations (a)-(e) each equipped with a turret mechanism 10 rotatable about a vertical axis, arms 11-14, equipped with means to hold the pattern, tanks 16, 17, 18 and unloading stations D. Means (e.g. pneumatic or hydraulic) at each position lower and raise the former into and from the tanks. In operation a former is loaded on to arm 11 of turret (a) and is dipped into the slurry in tank 16. The arm 11 is raised, the turret rotated through 90 degrees and the former dipped into tank 17. The process is repeated in tank 18 where the coated pattern is treated with ammonia and the pattern is passed to position D where it is transferred to arm 11 of turret (b). A further coating of slurry is applied to the former at each station.
GB2489466A 1966-06-03 1966-06-03 Improvements in or relating to apparatus for use in the produciton of ceramic shell moulds Expired GB1202862A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2489466A GB1202862A (en) 1966-06-03 1966-06-03 Improvements in or relating to apparatus for use in the produciton of ceramic shell moulds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2489466A GB1202862A (en) 1966-06-03 1966-06-03 Improvements in or relating to apparatus for use in the produciton of ceramic shell moulds

Publications (1)

Publication Number Publication Date
GB1202862A true GB1202862A (en) 1970-08-19

Family

ID=10218937

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2489466A Expired GB1202862A (en) 1966-06-03 1966-06-03 Improvements in or relating to apparatus for use in the produciton of ceramic shell moulds

Country Status (1)

Country Link
GB (1) GB1202862A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
433D Application made for revocation (sect. 33/1949)
433G Case decided by the comptroller ** application refused (sect. 33/1949)
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee