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Self Containing Enclosure for Protection from Killer Bees
A self contained protective enclosure with an opening for entry and egress and a screen for ventilation and viewing.
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| Number | Title | Issue Date |
| 4643390 | Fail-safe valve actuator A fail-safe valve actuator includes a hydraulic piston (17) and cylinder (15) for driving the valve stem (9) and gate member (35) of a gate valve into a first flow control state responsive to sufficient pressure delivered by a fluid or gas supply line (92... | 02/17/1987 |
| 4627958 | Densification of metal powder to produce cladding of valve interiors by isodynamic compression A valve cladding method and associated system for implementation including the steps of preforming solid insert-members (22,24) of a vitreous material (having a rheological state that varys with temperature), to generally conform in shape to the cavity wa... | 12/09/1986 |
| 4612983 | Shear type gate valve A gate valve for cutting a wire line (20) and closing in a well has a gate assembly (24) formed of an upper gate (32) and a lower gate (34). The lower gate (34) closes first shearing the wire line. Upper gate (32) closes second and seals against upper val... | 09/23/1986 |
| 4570724 | Stepwise rotary actuator An actuator for imparting a series of stepwise rotational movements to a valve shaft (2) or the like is provided. A bidirectional actuator, comprised of two opposing unidirectional actuators, includes a central drive wheel (6) secured to the shaft (2) and... | 02/18/1986 |
| 4570659 | Fire resistant valve A normally non-rising stem valve with a stem backseat (67,70) normally maintained in unseated position by a eutectic element (62). A spring (76) urges the backseat into seating position and is placed inwardly of a replaceable stem packing (34) so that upo... | 02/18/1986 |
| 4569503 | Valve with remote and manual actuation means An actuator for moving the stem (9) of a gate valve or the like is provided with hydraulic means (15,17) for driving the stem (9) axially inward and a volute spring (7) for returning the stem axially outward upon loss or other removal of the control hydra... | 02/11/1986 |
| 4562090 | Method for improving the density, strength and bonding of coatings The method of the present invention improves the density, strength and bonding of coatings which have previously been applied to substrates by prior art methods such as chemical deposition, electrochemical processed, thermal deposition, and mechanical coa... | 12/31/1985 |
| 4556076 | Fire resistant valve A normally non-rising stem valve having a valve stem (30) journaled between bearings (38, 40) is equipped with an energized drive spring (56) for positively engaging backseat seal surfaces (64, 66) upon melting of a fusible ring (52). The spring (56) is c... | 12/03/1985 |
| 4553589 | Fire-safe surface-controlled subsurface safety valve control line/wellhead connector and blowout preventer The existance of fire at or near an oil field wellhead is sensed by a eutectic body which holds a valve system in a cocked position. When the eutectic is melted, the valves are positioned to terminate communication of a hydraulic fluid pressure source wit... | 11/19/1985 |
| 4552369 | Stem sealing for high pressure valve A stem sealing apparatus having a plurality of inserts (40, 42, 44, 46) for accepting a flowable sealant (52, 54) between deformable seal rings (60, 62). The inserts are loosely stacked (100), and maintained in compression between a packing gland (50) and... | 11/12/1985 |
| 4540012 | Temperature sensitive valve bonnet assembly A valve having a normally non-rising stem (30a,b) journaled between bearings (38a,b 40a,b) is equipped with an energized drive spring (56a,b) for positively engaging backseat seal surfaces (64a,b, 66a,b) upon melting of a fusible ring (52a,b). The spring ... | 09/10/1985 |
| 4534235 | Rotary stepper actuator A pair (20) of unidirection actuators are opposingly disposed coaxially about an elongated member (1) for controllably imparting a series of stepwise rotary movements thereto. An outer race (5) disposed within a housing (2) is rotationally reciprocated as... | 08/13/1985 |
| 4511002 | Multiple tubing hanger tie back system and method A multiple tubing hanger tie back arrangement is disclosed in a preferred embodiment associated with a shear ram tubing head system (10). The arrangement includes a lower tubing hanger (44) sealingly secured within a lower tubing head (28) for supporting ... | 04/16/1985 |
| 4483545 | Fire resistant connections and double ribbed sealing means therefor A fire resistant connection (28) that embodies a sealing means (36) and that is operable for purposes of effectuating the establishment of a fire resistant seal between mating surfaces (32, 34), and in particular mating surfaces (32, 34) of the type that ... | 11/20/1984 |
| 4477093 | Fire resistant connections and T-like sealing means therefor A fire resistant connection (12) that embodies a T-like sealing means (44) and that is operable for purposes of effectuating the establishment of a fire resistant seal between mating surfaces (18, 26), and in particular mating surfaces (18, 26) of the typ... | 10/16/1984 |
| 4477092 | Fire resistant connections and dovetail-like sealing means therefor A fire resistant connection (14) that embodies a sealing means (44) and that is operable for purposes of effectuating the establishment of a fire resistant seal between mating surfaces (52, 54), and in particular mating surfaces (52, 54) of the type that ... | 10/16/1984 |
| 4477091 | Fire resistant connections and U-like sealing means therefor A fire resistant connection (16) that embodies a U-like sealing means (44) and that is operable for purposes of effectuating the establishment of a fire resistant seal between mating surfaces (56, 58), and in particular mating surfaces (56, 58) of the typ... | 10/16/1984 |
| 4452462 | Temperature resistant joint packing with E-shaped spring seal A metallic spring member 30 cooperates with grooves 32, 34 disposed in pressure containing members 10, 12. The spring member 30 has an E-shaped cross section and is compressed both horizontally and vertically when the members 10, 12 are fully engaged. The... | 06/05/1984 |
| 4116277 | Full flow tubing plug with locked anchor and method A down-hole assembly is provided including particular structure for holding the assembly in place in a tubing hanger or the like. Camming wedges are associated with a cylindrical cage, the camming wedges being movable radially with respect to the cage to ... | 09/26/1978 |
| 4090565 | Control line tubing hanger A wellhead assembly is provided comprising an upper wellhead assembly, a lower wellhead assembly, a sleeve, and a seal between the sleeve and the lower wellhead assembly. The upper wellhead assembly includes a tubing string section, and a control line, an... | 05/23/1978 |
| 4073562 | Wet connector To mate two complementary insulated electrical connectors while they are bathed in an electrically conductive medium, such as sea water, the two are first brought into mechanical contact with their respective matable electrical parts presented in axial al... | 02/14/1978 |
| 4047697 | Valve seat-to-seat connection for easy installation and removal of seat A valve seat - to - body connection, and an installation therefor. A resilient metallic ring having an inside diameter slightly smaller than the outside diameter of a valve body in which the seat member is to be installed, is placed around the section of ... | 09/13/1977 |
| 3990679 | Stem sealing for high pressure valve or the like Apparatus and method for sealing a shaft extending between a high-pressure region and a low-pressure region so that the seal life is long, and so that stem torque as a result of the sealing is kept to a minimum. A plurality of sealing elements are provide... | 11/09/1976 |
