专利检索_ 以压实机构为特征的制造铸型或型芯的造型机;其附件专利检索_ 以压实机构为特征的制造铸型或型芯的造型机;其附件专利检索查询

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序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
141	Method and device for manufacturing mold	JP3538986	1986-02-21	JPS61202746A	1986-09-08	OIGEN BIIRAA

142	JPS61500601A -	JP50008484	1984-12-07	JPS61500601A	1986-04-03

143	JPS6111140B2 -	JP4860679	1979-04-19	JPS6111140B2	1986-04-01	KANAYAMA RYOJI

144	JPS608132B2 -	JP776982	1982-01-22	JPS608132B2	1985-03-01	KURUTO FUITSUSHIAA; FURANTSU MYUERAA

145	High pressure gas type mold material compacting device	JP12390784	1984-06-18	JPS6012254A	1985-01-22	NORUBERUTO DAMU; GIYUNTAA MIYURAA

146	Molding method of green sand core	JP10982383	1983-06-17	JPS603946A	1985-01-10	UNOSAKI NAGATO; ITOU SHIGERU; KANAYAMA RIYOUJI; HARADA HISASHI; KAWAMURA YASUTAROU
PURPOSE:To mold a green sand core having substantial strength and good venting and collapsing properties by packing green sand into the cavity of a core box into which a bar member is preliminarily inserted to form a hollow green sand part and exploding a gas in the hollow green sand part. CONSTITUTION:Green sand is charged into the hollow part 7 of a cylindrical body provided to a sand blowing device 6 and the open top end of a vessel body 5 is hermetically closed then the bottom surface of the device 6 is pressed to the top surface of the box 1 to clamp the box. When compressed air is introduced into the device 6 by opening a valve 12, the green sand in the part 7 is packed through a sand blow hole 19 into the cavity 3 of the core box 1. The device 6 and the box 1 are then separated. A combustible gaseous mixture composed of a specific ratio of fuel and oxygen is supplied to the hollow green sand part and a switch is turned on to generate spark then the gaseous mixture in the hollow green sand part explodes and the green sand in the cavity 3 is strongly compressed, by which the desired core is obtd.
147	Molding method of green sand core	JP10982283	1983-06-17	JPS603945A	1985-01-10	UNOSAKI NAGATO; ITOU SHIGERU; KANAYAMA RIYOUJI; HARADA HISASHI; KAWAMURA YASUTAROU
PURPOSE:To provide substantial strength to the projecting part of a core and to improve the collapsing property thereof by plunging a rod or cylindrical member into the cavity of a core box in which green sand is packed to form a hollow green sand part then exploding gas in the hollow green sand part. CONSTITUTION:Green sand is packed into the cavity 3 of a core box then a bar member is descended to form a hollow green sand part 8 in the cavity 3. A cover member 5 is placed atop the box 1 and is clamped. A combustible gas consisting of a specific ratio of fuel and oxygen is supplied at a constant rate into the part 8 and a switch 17 is turned on to conduct a high voltage from a high voltage power source 16 to a spark plug 7 to generate spark. The green sand in the cavity 3 is strongly compressed to the wall surface of the cavity by the explosion of the gas in the part 8. The gas in the cavity 3 is finally released, the cover member 5 is removed and the core 1 is divided, by which the desired core is obtd.
148	Compression molding device for granular molding material	JP19109383	1983-10-14	JPS5992145A	1984-05-28	FUITSUSHIYAA KURUTSU; TANNA HANSU

149	Method and device for compression-molding granular molding material	JP18183883	1983-10-01	JPS5982144A	1984-05-12	FUISHIYAA KURUTSU; TANARU HANSU

150	JPS58502090A -	JP50357682	1982-12-09	JPS58502090A	1983-12-08

151	Molding device	JP13097680	1980-09-19	JPS5756139A	1982-04-03	UNOSAKI TSUNETO; KANAYAMA RIYOUJI; MATSUMURA HIROSHI
PURPOSE:To prevent leakage of the mixed gas of fuel gas and gaseous oxygen to be used for generating blast, by installing a blast generating device separately and communicating the blast generating device to a molding device through a communicating pipe and a valve, in the molding device which presses together the molding sand utilizing the pressure of a blast. CONSTITUTION:A pattern section 3 having a pattern 5 is placed on a table 1 with an opening 2, and a molding flask 7 is put on the table 1, and then, molding sand S is charged on the pattern section 3. Thin holes 4 are installed to the pattern section 3 where the molding sand is not packed well, so that the holes reach the opening 2, and bent plugs are fitted to the top of the holes. A covering member 8 is firmly fitted to the upper end of the molding flask 7 through a sealing member 9, and a communicating pipe 12 from a blast generating vessel 14 is connected to the top of the covering member 8 through an opening and closing valve 13. A fuel gas 24 and gaseous oxygen 25 are introduced into a closed vessel 14, and the gases are blasted with an igniter 16. The molding sand S is pressed together by introducing the high- pressure blast to the surface of the molding sand S in a molding device by opening the valve 13 immediately after the gases are exploded. After pressing, the blast is discharged into the atmosphere through the thin holes 4. Since the fuel-mixed gas is not supplied directly to the space above the molding sand in the molding device, the gas does not leak through the thin holes 4.
152	Mold molding method and its device	JP4860679	1979-04-19	JPS55141355A	1980-11-05	KANAYAMA RIYOUJI
PURPOSE:To obtain the mold having the required hardness readily and surely by subsequently increasing flow rate or pressure and blowing compressed gas stepwise in the case of blowing the same to the top surface of fillers. CONSTITUTION:When molding sand 41 for green sand mold is charged into the spacing formed by a pattern plate 5 and molding flask 7 and an on-off valve 19 is opened, compressed air produced from a compressed air source 20 is reduced of its flow rate by passing through a control valve 15 and is blown into the spacing 40. This compressed air spreads in the spacing 40 and is exhausted through vent plugs 6, 6, so that it is sustained in the state fairly lower than the set pressure for a certain while and circulates in the molding sand 41. This causes the molding sand 41 to be moved, resulting in its gradually increased resistance and pressure, hence highly densely packed molding sand 41. Thence, the compressed air is blown into the spacing 40 without being controlled of its flow rate, by which the molding sand 41 is pressed from its top and is thus packed evenly overall to a high density, whereby it is hardened to the required hardness.
153	Method and apparatus for stuffing granular material	JP16172479	1979-12-14	JPS5586656A	1980-06-30	KURUTO FUITSUSHIAA; ROBERUTO SHIYUTAINEMAN; HANSU TANERU

154	Squeeze plate for mold molding	JP15072278	1978-12-05	JPS5575854A	1980-06-07	HANAZAKI KOUICHI; CHINO MORIMASA; NOZAKI RIYOUJI
PURPOSE:To enable suction drying to be accomplished simultaneously with packing and clamping of backup members by providing a multiplicity of vent holes to the bottom face of a hollow box and providing a suction port to the upper part of the box. CONSTITUTION:A metal mold 40 is pushed up to a metal flask A to move a sand storage box 4 onto the metal flask A, thence a slide shutter 5 is opened to fall mixed sand 2 for backup. A squeeze plate 16 is lowered by operating a cylinder 17 to squeeze the sand 42 into the metal flask A. Air is sucked out through a suction port 19 to extract the moisture in the sand 42 through suction ports 18, thereby allowing the sand 42 to dry and solidify. At this time, the metal mold 40 and mixed sand 42 are beforehand heated to a suitable temperature to a state where moisture is easy to evaporate. As a result of this, the moisture is rapidly released through the suction port 19 and the mixed sand 42 is sufficiently dried and hardened, thus the shell and backup sand 42 are perfectly bonded and integrated.
155	A method for green sand molding	EP11005825.2	2011-07-15	EP2457677B1	2013-05-29	Makino, Hiroyasu; Ramratten, Sam

156	A method for green sand molding	EP11005825.2	2011-07-15	EP2457677A1	2012-05-30	Makino, Hiroyasu; Ramratten, Sam
The object of the present invention is to provide a method for green sand molding that prevents a bad casting by producing a mold that does not have a brittle surface. The method comprises the steps of filling the green sand into a flask while fluidizing the green sand by aeration at a pressure between 0.05 and 0.18 MPa, and squeezing the green sand that has been filled in the flask, wherein a mold is produced so that the friability of the mold is 10 or less. The friability is a value that is calculated by the following steps: putting the mold in a rotating cylindrical sieve that has a diameter of 177.8 mm and USA sieve size No. 8, rotating the cylindrical sieve at 57 rpm for 60 seconds, dividing the weight of the sand that has passed through the sieve by the weight of the sand that has been put into the sieve, and multiplying the quotient by 100.
157	Improved sand mould air impact or blast compacting machine	EP97500215.5	1997-12-16	EP0849017B1	2001-10-04	Arana Erana, Agustin

158	METHOD AND APPARATUS FOR MANUFACTURING A SAND MOLD	EP97943794.0	1997-10-13	EP0949980A1	1999-10-20	DALL, Benny
A method and an apparatus are serving for manufacturing a sand mold for pouring a metallic melt of e.g. cast iron. A pattern (7) having a configuration complementary to the castings wished to be cast, forms an imprint in a volume of molding sand (5), as the molding sand during this is acted upon by both a static pressure from a squeeze plate (9) and by ultrasound from an ultrasonic generator (8). In the sand mold can be cast castings with fewer fins and a more even and smoother surface than known per se.
159	Improved sand mould air impact or blast compacting machine	EP97500215.5	1997-12-16	EP0849017A1	1998-06-24	Arana Erana, Agustin
The machine is provided with a pressure drum (1) capable of supplying a current of blowing air through the diffuser (2) towards the moulding box (3), and its characteristics are focused on a specific valve system in which a tubular valve body (7), to which the diffuser (2) is in turn solidly attached, is fixed to the mouth of the drum (1) with the assistance of a supporting frame (8), this assembly defining, with a large central core (15), a peripheral passage (16) for the outlet of air in which an inner valve seat (14) is established for a tubular membrane (11) that is fixed through its marginal areas to the marginal areas of the valve body (7), an enveloping chamber (12) being defined outside the same which, upon being pressurised, causes the membrane (11) to be choked against the seat (14) and consequently the valve to be closed. Opening of the valve (11-14) results, through the diffuser (2), in a jet of air which mainly concentrates on the perimetric area of the moulding box (3), improving sand compacting (5).
160	Verfahren und Vorrichtung zum Herstellen von Giessformen	EP91119928.9	1991-11-22	EP0488068B1	1997-02-12	Brandenburger, Horst, Dipl.-Ing.; Damm, Norbert, Ing. (grad.); Parr, Thomas, Dr. Ing.

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