Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 7757746 | Pouring method, device, and cast in vacuum molding process A pouring method and a device in a vacuum sealed process to produce a thin-wall cast by using a mold framing for the a vacuum sealed process, and a as-cast product using the pouring method are provided. The pouring method comprises the steps of: sealingly covering t... | 07/20/2010 |
| 5329981 | Method of producing a metal mold A method of producing a metal mold is disclosed. A heat resistant sheet is forcedly brought into close contact with a product configuration surface of a matrix such as a wooden pattern, a resin model, or the like by making use of negative pressure. The ma... | 07/19/1994 |
| 5219014 | Device and method for fabricating foundry molds from granular material The invention concerns a device and method for continuous fabricating of foundry molds from granular material. The device consists of a frame (10) with lights (11) supporting through swivels (31) caissons (30, 40) with large partitions (42) provided with ... | 06/15/1993 |
| 4940071 | Method and device for fabricating moulds from granular material A method and device for making moulds shaped on two faces by means of model plates (10,11). After depression of the plates, the envelope (17) sealed at (40) containing the granular material (30) is, in its turn, subjected to depression through the tubes (... | 07/10/1990 |
| 4628983 | Method and apparatus for making hollow sheel cores with controlled gas flow An apparatus and method for making hollow shell cores wherein a core box assembly is provided including a vented pattern. Baffles are provided in the core box in the space between the pattern and the core box walls whereby a catalyst gas flowing into the ... | 12/16/1986 |
| 4318437 | Metal casting system A metal casting system including novel process and apparatus wherein the shape of the casting is defined by a thin thermal degrading film supported by a particulate bed. A pattern having the shape of the desired casting is surrounded by the tight fitting ... | 03/09/1982 |
| 4103729 | Apparatus and process for catalytic gassing in the manufacture of foundry cores and molds, and the like A shaped mass of particulate material such as foundry sand, admixed with a polymerizable binder, is instantly completely hardened by contact of gas catalyst therewith. The preferred method and apparatus in accordance with the present invention involves fi... | 08/01/1978 |
| 4036276 | Method of shaping a mould under a reduced pressure A method of producing a reduced-pressure-shaped mould in which at least in the region of a sprue runner of the mould to be formed and in regions where a shield material for the mould material is likely to be destroyed during introduction of the molten mat... | 07/19/1977 |
| 4028455 | Method for producing a reduced-pressure shaped mould A method for producing a reduced-pressure shaped mould comprises the steps of placing a pattern having gas-permeable orifices on a surface plate and adhering a coating film that is soluble in a solvent to the pattern by suction through the orifices. A fla... | 06/07/1977 |
| 4009747 | Method of and device for forming vacuum sealed molds A method of and device for forming vacuum sealed molds, in which suction is applied to a charging material charged into a flask to remove the charging material adjacent the top of a sprue or a communicating passage thereby forming a cup-shaped pouring bas... | 03/01/1977 |
| 3970139 | Vacuum control valving apparatus for a vacuum sealed molding apparatus A vacuum control valving apparatus for a vacuum sealed molding apparatus. The control valving apparatus is located between a pair of mold members, one stacked upon the other, and a mating surface on a rail conveyor truck. The valving apparatus provides a ... | 07/20/1976 |
| 3968829 | Molding apparatus with shielding mold member A molding method comprising steps of bringing a shielding mold member into contact with the shaping surface of a shaping mold member to provide a mold assembly, filling a charge of a heat resisting particulate material in space disposed opposite the shapi... | 07/13/1976 |
| 3933194 | Pattern plate device for vacuum sealed molding A pattern plate device for vacuum sealed molding, being applied with a negative pressure to the surfaces of said device, covered with a flexible film on said surfaces tightly, on which a molding flask having a reducing structure is set, and then being use... | 01/20/1976 |
