GB994323A - An improved method and machine for moulding - Google Patents

An improved method and machine for moulding

Info

Publication number
GB994323A
GB994323A GB3416162A GB3416162A GB994323A GB 994323 A GB994323 A GB 994323A GB 3416162 A GB3416162 A GB 3416162A GB 3416162 A GB3416162 A GB 3416162A GB 994323 A GB994323 A GB 994323A
Authority
GB
United Kingdom
Prior art keywords
die
mandrel
pneumatic
hollow
bodies
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
GB3416162A
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.)
GEOMETRA MARIO GRITTI
Original Assignee
GEOMETRA MARIO GRITTI
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 GEOMETRA MARIO GRITTI filed Critical GEOMETRA MARIO GRITTI
Publication of GB994323A publication Critical patent/GB994323A/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
    • B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
    • B28B7/18—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C13/00—Moulding machines for making moulds or cores of particular shapes
    • B22C13/10—Moulding machines for making moulds or cores of particular shapes for pipes or elongated hollow articles
    • 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
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
    • 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
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
    • B28B3/08—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form with two or more rams per mould
    • 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
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
    • B28B3/08—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form with two or more rams per mould
    • B28B3/086—The rams working in different directions

Abstract

994,323. Moulding refractory bodies. G. M. GRITTI. Sept. 6, 1962 [June 12, 1962], No. 34161/62. Heading B5A. [Also in Division B3] In a method of forming hollow or solid refractory bodies, a preformed uncompressed body is placed in a forming die and axially pressed by means of a pneumatic fly press acting on the die parts with an instantaneous impulse obtained by actuating at least one of the die parts pneumatically with cylinders having a very fast inlet and outlet of the fluid. The preformed body is placed in a housing 14 over a mandrel 19 to form an axial cavity and is compressed by a top die member 10 supported by a table 5 moved vertically by pneumatic rapid-action cylinders 7, 7<SP>1</SP>. The lower die member 13 is supported from the table by tie bars 8, 8<SP>1</SP> so that it acts as an ejector. In a modification for making bodies with recesses at right angles, Fig. 7, lateral mould parts 14, 14<SP>1</SP> are actuated by pneumatic units 44, 44<SP>1</SP> and carry hollow die members 51. The top die part 10 carries a hollow mandrel 40 the bore of which is closed by a poppet valve through which compressed air flows during retraction of the mandrel to discharge excess refractory through the axial bores of the lateral die member 51.
GB3416162A 1962-06-12 1962-09-06 An improved method and machine for moulding Expired GB994323A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1197362 1962-06-12

Publications (1)

Publication Number Publication Date
GB994323A true GB994323A (en) 1965-06-02

Family

ID=11138809

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3416162A Expired GB994323A (en) 1962-06-12 1962-09-06 An improved method and machine for moulding

Country Status (1)

Country Link
GB (1) GB994323A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2062938A2 (en) * 1992-10-16 1994-12-16 Gt B Components Limited Moulding of apertured articles.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2062938A2 (en) * 1992-10-16 1994-12-16 Gt B Components Limited Moulding of apertured articles.

Similar Documents

Publication Publication Date Title
ES482528A1 (en) Injection piston for die casting
GB995899A (en) Improvements in or relating to die closure apparatus for die casting, injection moulding and other pressure machines
GB1242259A (en) Improvements in or relating to compacting machines
GB983094A (en) Apparatus for preparing the opened mould of a pressure diecasting machine for a subsequent casting operation
GB1281740A (en) Improvements in or relating to isostatic presses
GB994323A (en) An improved method and machine for moulding
GB1335455A (en) Injection moulding machines
ES459463A1 (en) Casting mould advancing plant
GB996186A (en) Improvements in or relating to a method of and apparatus for manufacturing hollow plastics articles
GB955889A (en) Improvements in or relating to pressure intensifying devices
GB1404052A (en) Methods of operating automatic mould part producing apparatus and apparatuses for carrying out these methods
US2620776A (en) Variable stroke final slow closing and initial slow opening hydraulic ram
JPS559885A (en) Constriction equipment for injection molding machine
GB853164A (en) Improvements in and relating to moulding machines
GB742963A (en) Method of forming articles from comminuted material, and articles made therefrom
GB1396967A (en) Multistage cold impact press
GB863078A (en) Improvements in moulding machines
SU113866A1 (en) Apparatus for creating vacuum in die casting machines with a horizontal press chamber
GB1032477A (en) A hydraulically actuated clamping mechanism for the mold in an injection molding apparatus
ES441534A1 (en) Method in destructing chills and a device for carrying out the method
GB605150A (en) Improvements in injecting moulding machines
SU324792A1 (en)
JPS5522445A (en) Injecting device of die casting machine
GB1254253A (en) Foundry jolt-moulding apparatus
JPS56133A (en) Method and apparatus for retaining pressure in injection molding machine