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1295results about "Insect protection" patented technology

Method and apparatus for forming a window / door screen frame and mesh assembly

A screen making machine includes a table, welder assembly, and actuation assembly. The welder assembly includes: a hot air nozzle, a pump, and a roller. The actuation system moves the welder assembly along the frame. Hot air from the nozzle elevates the temperature of the mesh and adjacent frame to an elevated temperature above a melt temperature of the surfaces of the mesh and frame. The roller presses the melted mesh surface against the melted frame surface, to melt fuse them together.
Owner:THE RITESCREEN CO LLC

Insect net guiding system

A netting support system (100, 200) adapted to span an adjustable ventilation opening, wherein the netting support system (100) comprises an insect netting (110) to prevent passage of insects through the adjustable ventilation opening. The insect netting (110) is pleated in an accordion-style configuration to collapse in a stacked manner when the adjustable ventilation opening is closing and to expand when the adjustable ventilation opening is opening. The netting support system (100) further comprises a guiding arrangement (120) for the insect netting, wherein the guiding arrangement (120) comprises a stretchable wire (121) connected to at least one net connection (132, 134) fixed to the insect netting (110). The stretchable wire (121) maintains the insect netting (110) in the accordion-style configuration when the insect netting (110) spans the ventilation opening.
Owner:LUDVIG SVENSSON INT

Bellow-shaped insect netting for a ventilation window of a greenhouse and a greenhouse

An insect netting for a greenhouse has folded and unfolded conditions, the latter in which the netting forms first and second walls which meet each other at a corner portion. The netting comprises a plurality of bellow sections. Each bellow has a first bellow portion and a second bellow portion The first bellow portion comprises a first strip along the first wall and a second strip along the second wall which are fixed to each other through a first seam at mutual rims of the first and second strips of the first bellow portion which face each other at a corner portion. The second bellow portion is similarly constructed. The first seam and the second seam of the first and second bellow portions have different locations at the corner portion as seen in a direction perpendicular to a plane in which the bellow section lies in the folded condition.
Owner:HOLLAND GAAS BV

Lockable corner bracket

A lockable corner bracket includes a lockable encapsulated axle pulley which houses one end of a length of cord, with the free end secured to a side bracket. A cord locking mechanism is used to lock the encapsulated axle pulley and prevent unwinding of the cord, or loss of tension, during transport and installation to facilitate do-it-yourself installation. The axle pulley is further configured with a central slot to allow frontal insertion of a roller tube. The corner bracket may be used with a manual roller screen including roller tubes fitted with spring assist systems to facilitate winding and unwinding of the screen, or with roller tubes fitted with a tubular motor to drive rotation of the roller tube.
Owner:UBLOCKOUT TECH PTY LTD

Trackless sliding window

The utility model relates to a trackless sliding window which comprises a window frame and two window sashes, the two window sashes are horizontally arranged in the window frame in a sliding mode, the two window sashes can slide to be parallel or parallel to each other, embedded lifting handles are hinged to frames of the window sashes, lock catch rods are further arranged on the frames of the window sashes in a sliding mode, and the lock catch rods are connected with the window sashes in a sliding mode. The lock catch rod can be locked with or separated from the outer side of the window frame by sliding the lock catch rod, the top of the lifting handle abuts against the lock catch rod, and the lock catch rod can be driven to slide on the frame of the window sash by pulling the lifting handle. According to the trackless sliding window, the window sash is arranged in the window frame in the sliding mode, a pulley and a track do not need to be adopted, a gap between the window sash and the window frame is reduced, and the sealing performance of the trackless sliding window is improved; the lifting handle is arranged on the frame of the window sash to pull the window sash to slide in the window frame, so that the operation convenience is improved; the window sash can be fixed to the outer side of the window frame by lifting the handle to be linked with the lock catch rod, and the stability of the window sash is improved.
Owner:GUANGXI JIAOHU DOORS & WINDOW MANUFACTURING CO LTD

Area Screen with Screen Door

A screen system includes a screen mesh and a spool. The spool is rotatably mounted to a frame of the opening and the screen mesh is affixed to the spool such that the spool retracts or deploys the screen mesh over the opening. There is a mechanism for turning the spool (e.g., a motor or hand crank). A screen door is formed in the screen mesh such that sides of the screen door are at an angle other than 90 degrees to the spool. Zipper teeth around a periphery of the screen door and the opening for the screen door have a zipper pull that traverses the zipper teeth in a first direction to disconnect the screen door from the opening for gaining access to / from the opening and the zipper pull traverses the zipper teeth in a second direction, opposing the first direction, for closing the screen door.
Owner:SCREEN AMERICA CORP

High-security electrostatic anti-haze screen system

The present invention relates to the technical field of anti-haze screen window, in particular to a high-safety electrostatic anti-haze screen window system, comprising an outer yarn and a high-voltage generator, wherein the outer yarn comprises a plurality of conductive wires, and the output end of the high-voltage generator is connected to the conductive wire by a first resistor element in series, so that after the high-voltage generator is powered on, the conductive wire generates electrostatic adsorption or repulsion to suspended particles in the adjacent air, and utilizes the electrostatic field generated by the conductive wire of the outer yarn after the high-voltage generator is powered on to induce polarization of neutral suspended particles in the air adjacent to the conductive wire, so that the particles are adsorbed on the conductive wire, and the content of haze particles such as PM 2.5 in the air entering the room is greatly reduced; the first resistor element in series ensures that when a human body approaches or touches the outer yarn, the discharge of the accumulated charge inside the high-voltage generator to the human body can be ignored. The present invention has the advantages of achieving high-efficiency anti-haze and dust prevention at low cost and low energy consumption, while ensuring safety in use.
Owner:TANO (CHANGZHOU) MATERIAL TECHNOLOGY CO LTD

Screen window control device of low-energy-consumption shutter glass and using method

The invention provides a screen window control device of low-energy-consumption shutter glass and a using method, relates to the field of shutter glass, and aims to solve the problem that a screen window can affect the permeability of the shutter glass. The number of the screen window screen plates is the same as that of the shutter glass sheets, the screen window screen plates and the shutter glass sheets are in one-to-one correspondence, the screen window screen plates are matched with the short shafts, the long shafts, the first guide grooves and the second guide grooves in the guide assemblies to be in the horizontal state when the shutter glass sheets are vertically closed, and therefore the influence on the permeability of the shutter glass sheets can be reduced; when the shutter glass sheets are obliquely opened for ventilation, the gaps between the adjacent shutter glass sheets can be shielded, so that the mosquito-proof and dust-proof effects are achieved, the flexibility is high, sliding friction force does not exist between the shutter glass sheets and the inner wall of the frame, the load of a driving source can be reduced, and more energy-saving and practical effects are achieved.
Owner:南通金蝴蝶节能科技有限公司

Security mesh insert for door

A high strength mesh insert that can be installed into any type of door such as solid doors, hollow doors, interior doors, and exterior doors. The insert includes: a nine panel mesh insert, an exterior trim assembly, an interior trim assembly, an internal door hatch, and a plurality of fasteners. The shape of the nine panel mesh insert provides superior strength to the insert wherein a properly installed insert can withstand several hard blows from a sledge hammer without breaking or breaching. The insert provides high strength security but also allows for air ventilation and sound transfer between the interior and exterior sides of the door when the internal hatch door is open. The internal hatch door may also be closed to prevent air ventilation and sound transfer.
Owner:DENTON DOUGLAS A

Window screen assembly with dual side expanders to reduce measurements and accuracy needed for selection / installation

A screen assembly is configured to permit installation in various different sized windows having various different window socket dimensions. The screen assembly includes: a frame, a mesh secured to the frame, at least one expander member, and a biasing member, which may be a spring. The expander member is mounted to a first side of the frame, and configured to slide with respect to the frame between a fully retracted position, a fully extended position, and a plurality of intermediate positions. The biasing member biases the expander member toward the fully extended position. The range of sliding distances for the expander member relative to the fixed frame portion thereby provides a variable lateral extent for the screen assembly permitting its installation into various different sized windows having various different window socket dimensions.
Owner:THE RITESCREEN CO LLC

Retaining device foran insect screen

PCT designated stage expiredWO2025133739A1Insect protection
A retaining device (10) for an insect screen (100), comprises a profile (20) connectable to a recess of a support structure, configured to receive a perimeter portion of a net (G) of an insect screen; coupling means (30) operatively connected to said profile (20) so as to intercept the net (G) and engage with said perimeter portion of the net (G) in order to retain it in the profile (20). The retaining device (10) further comprises at least one support body (40) configured to connect said coupling means (30) to said profile (20) and defining a seat (41) adapted to receive by insertion said coupling means (30) to reduce a bending moment induced by the net (G) on said coupling means (30) in order to increase the resulting holding action of said coupling means (30).
Owner:GENIUS ITALA

Elastic screen window structure

The utility model provides an elastic screen window structure, which comprises a frame and a gauze element, the peripheral edge of the gauze element is connected with the frame, the frame is formed by wrapping a plastic layer on the surface of an elastic steel bar and bending and connecting the elastic steel bar, and the peripheral edge of the gauze element is welded on the plastic layer on the surface of the frame. The elastic screen window structure has the advantage of automatically tightening the gauze element, and the elastic screen window structure is simple in manufacturing process and high in production efficiency.
Owner:TENG SHANG BUILDING MATERIALS (SHANGHAI) CO LTD

Insect net guiding system

Described is a netting support system adapted to span an adjustable ventilation opening, wherein the netting support system includes an insect netting to prevent passage of insects through the adjustable ventilation opening. The insect netting is pleated in an accordion-style configuration to collapse in a stacked manner when the adjustable ventilation opening is closing and to expand when the adjustable ventilation opening is opening. The netting support system further includes a guiding arrangement for the insect netting, wherein the guiding arrangement includes a stretchable wire connected to at least one net connection fixed to the insect netting. The stretchable wire maintains the insect netting in the accordion-style configuration when the insect netting spans the ventilation opening.
Owner:LUDVIG SVENSSON INT

Method and apparatus for forming a window / door screen frame and mesh assembly without adhesive

A screen making machine includes a table, welder assembly, and actuation assembly. The welder assembly includes: first and second nozzles, a pump that pumps air through each nozzle, and a roller. The first nozzle, second nozzle, and roller are positioned in line and spaced apart. The actuation system moves the welder assembly along each side of the frame. Hot air from the first nozzle elevates a temperature of the mesh and adjacent frame to a first elevated temperature, and subsequent flow of hot air from the second nozzle elevates them to a second elevated temperature, being above a melt temperature of the surfaces of the mesh and frame. The roller presses the melted mesh surface against the melted frame surface, to melt fuse them together. A top surface of the table is heated to thereby heat a second side of the frame, facilitating better welds.
Owner:THE RITESCREEN CO LLC

Pendulous explosion-proof valve

The utility model discloses a dangling type anti-explosion-wave valve which comprises an anti-explosion-wave valve body, a wave valve plate is arranged on one side of the anti-explosion-wave valve body, an anti-impact buffering structure is arranged on the periphery, located on one side of the anti-explosion-wave valve body, of the wave valve plate, and a ventilation opening is formed in the side, right opposite to the wave valve plate, of the anti-explosion-wave valve body. A ventilation opening is formed in the air cushion matching cavity, a dustproof net is connected into the ventilation opening, a lock rod is arranged at the position, located on one side of the anti-explosion valve body, of the lower end of the anti-explosion valve plate, and a lock hole is formed in the side, right opposite to the lock rod, of the anti-explosion valve body. And after the wave valve plate is closed, the lock rod can be aligned and automatically inserted into the lock hole, the lock rod entering the lock hole pushes the lock block and is clamped in the lock groove, the lock rod can be fixed, and when the wave valve plate is opened for ventilation, dust in air outside a door can be effectively blocked through the dustproof net.
Owner:GUANGDONG TIANWEI CIVIL AIR DEFENSE ENG CO LTD

Window and screen integrated system window

The invention relates to the technical field of building doors and windows, in particular to a window and screen integrated system window which comprises a hollow window frame body, a receding hole is defined by the window frame body, and a through hole is formed in the window frame body; the hollow screen window frame is connected to the window frame body, a gauze element is connected to the screen window frame, and a plurality of air outlet holes facing the gauze element are formed in the screen window frame; the opening sash is rotationally connected with the window frame body, and the air outlet hole is located between the opening sash and the gauze element; the air supply unit is used for supplying air to the inner cavity of the screen window frame, is located in the inner cavity of the window frame body and extracts air through the through hole; the screen window has the effect that dust attached to the screen window can be prevented from entering a room while dust on the screen window is treated.
Owner:SHAANXI MINGDI ALUMINIUM CO LTD

Invisible screen door and window convenient to disassemble and assemble

The invisible screen door and window convenient to disassemble and assemble comprises a frame body, a screen box and a pull rod, the pull rod is connected with a screen body in the screen box, sliding rail grooves are formed in the top face and the bottom face of the frame body, and screen box disassembling and assembling supports are fixed to the top and the bottom of one end of the frame body; pull rod seats matched with the slide rail grooves are fixed at the top and the bottom of the side surface of the gauze box; the gauze box is detachably limited on the gauze box dismounting support, and the pull rod seat is connected with the top and the bottom of the frame body in an attached manner; the bottom and the top of the pull rod are slidably arranged in the pull rod base and the sliding rail groove. The device is reasonable in structural arrangement, the gauze box is pushed into the space between the gauze box disassembling and assembling supports under the action of external force, and is clamped and positioned through the gauze box disassembling and assembling supports at the top and the bottom end, disassembling and assembling operation is facilitated, disassembling and assembling convenience can be improved, synchronous disassembling and assembling operation on the pull rod is facilitated, disassembling and assembling, maintenance and cleaning operation are facilitated, and working efficiency is improved. And the applicability and the practicability are high.
Owner:CHANGSHA FUTURE SPACE TECH CO LTD

Textile air-conditioning intelligent sand-proof window

The invention belongs to the technical field of sand-proof windows, and particularly relates to a textile air conditioner intelligent sand-proof window which comprises a sand-proof frame, filter cloth, a flow guide mechanism, an airflow sensor, a replacement mechanism and a controller, and the filter cloth is arranged in the sand-proof frame; the flow guide mechanism is used for adjusting environment wind pressure borne by the filter cloth; the airflow sensor is used for monitoring the airflow in the communicating pipe; the replacing mechanism is used for replacing the filter cloth; and the replacement mechanism is electrically connected with the controller. The scheme is used for solving the problem that filter cloth of an existing sand-proof window cannot be automatically replaced.
Owner:XINJIANG RUIGE TEXTILE CO LTD +1

Configurable multi-track system and method for sheeting an opening in a building

Disclosed herein are examples of a configurable multi-track sheet system for enclosing an opening in a building, such as a porch, gazebo, balcony, window, or other opening to the outdoors. Said examples include a lineal track member having a length and a depth, and defining a main track and an auxiliary track each running parallel to the length and perpendicular to the depth, and defining a first side track opposite a second side track each running parallel to the length and perpendicular to the depth. A removable lineal sheet retention member configured to be engaged, at least in part, by the lineal track member, via male-female type engagement. A first removable lineal cap member being attachable to the lineal track member, via male-female type engagement, wherein the first removable lineal cap member comprises two legs for attaching to the lineal track member.
Owner:MARHAYGUE LLC

Security screen system and method of automated or semi-automated assembly

There is provided a screen system. The system may include frame assemblies defining a frame, and a sheet of infill material secured to the frame. One or more of the frame assemblies may include: an outer sash including a first sidewall, a second sidewall, and first engagement member(s), with the first sidewall including a retaining portion; a cover sash including second engagement member(s) configured to engage the first engagement member(s) such that the cover sash occupies a position opposing the retaining portion of the first sidewall and, in combination with the retaining portion, defines a channel therebetween; and an inner sash disposed in the channel between the retaining portion and the cover sash, the inner sash configured to retain an end of the sheet of infill material. There is also provided a method of assembly.
Owner:MESHTEC INT

A window blind frame assembly

A window blind frame assembly includes a first frame member 4, a second frame member 6 and a connecting element 8, wherein the connecting element includes a pair of projecting arms 18, 20, which define between them an angle of substantially 90o. Each of the first and second frame members includes a first side edge portion (4a, 6a, fig 1b) and an end portion 10; each end portion extends at an angle of 45o from the respective first side edge portion to an opposing side edge portion . Each of the first and second frame members define a channel 916, fig 1c). Each of the channels receives a respective one of the projecting arms, and the end portion of the first frame member lies adjacent to the end portion of the second frame member, such that the first frame member is perpendicular to the second frame member.
Owner:LOUVER LITE LTD

High-performance true nanoscale fiber membrane as well as preparation method and application thereof

The invention discloses a high-performance true nanoscale fiber membrane as well as a preparation method and application thereof, and belongs to the technical field of nanofiber air filtering materials. The preparation method comprises the following steps: by taking water as a solvent, dissolving a dimethyl diallyl ammonium chloride monomer in deionized water, adding ammonium persulfate and azodiisobutyronitrile as initiators to prepare poly dimethyl diallyl ammonium chloride, then dissolving the poly dimethyl diallyl ammonium chloride and nylon 66 particles in an organic solvent 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 A spinning precursor solution is prepared in 1, 2, 2-trifluoroethanol, and the fiber membrane with a real nanoscale fiber structure is prepared from the spinning precursor solution through an electrostatic spinning technology and a one-step method. Compared with an existing preparation process, the preparation method has the advantages that the process is simple and easy to operate, the production efficiency is high, and the fibrous membrane with the real nanoscale fibers shows excellent filtering performance on fine particulate matters with different particle sizes and shows excellent application potential in the fields of air purification, environmental protection, industrial waste gas treatment and the like.
Owner:FUZHOU UNIV

Insect netting for a greenhouse

An insect netting for a greenhouse includes a front panel merging into two side panels. The insect netting is pleated having bellows sections. Each bellows section has two parallel side bellows portions and a front bellows portion. Each side bellows portion comprises a first side gauze web and a second side gauze web connected to each other at a longitudinal side thereof, each having a first short side and a second short side. Each of the front bellows portions comprises a first front gauze web and a second front gauze web connected to each other along a longitudinal side thereof. The second short side of the first and second side gauze webs of the side bellows portions is connected to the longitudinal side of the first and second front gauze webs facing towards the hinging axis of the ventilation panel, respectively.
Owner:HOLLAND GAAS BV

Double-broken-bridge double-inner casement window capable of improving low-frequency noise reduction capacity of door and window

The utility model discloses a double-broken-bridge double-inner casement window capable of improving low-frequency noise reduction capacity of doors and windows, which is provided with a frame, a screen sash, a glass sash and a window frame of the double-broken-bridge double-inner casement window formed by the frame. The frame material is of a tooth-shaped inner cavity structure, the design is different from a traditional window type, the tooth-shaped design mode is adopted, the low-frequency noise reduction capacity of the door and window is improved, and the material strength is improved. The double-broken-bridge double-inner casement window is in a heat-insulation anti-theft two-in-one double-inner casement window type, the width of a frame is 112 mm, and frame sashes are connected through movable glue injection corner connectors in a 45-degree corner combining mode. The glass screen sashes are opened towards the indoor direction and provided with stainless steel and diamond screens, so that the whole window is attractive in appearance, good in sealing performance and convenient to machine and manufacture.
Owner:SICHUAN MINGDI ALUMINIUM CO LTD

Wooden door with ventilating window

A wooden door with a ventilating window comprises a wooden door body and the ventilating window arranged on the upper portion of the wooden door body. The wooden door body comprises a wooden middle plate, the wooden middle plate is of a rectangular plate structure, and the two sides of the wooden middle plate are each provided with a set of long-strip-shaped protruding parts in the width direction of the wooden middle plate; the pair of two-side wooden clamping plates is symmetrically arranged on the two sides of the middle plate, the inner sides of the two-side wooden clamping plates are each provided with a set of groove parts matched with the set of long-strip-shaped protruding parts in an embedded mode, a rectangular ventilation opening is formed in the upper portion of the wooden door body, and the upper portion of the wooden door body penetrates through the wooden middle plate and the pair of two-side wooden clamping plates and is provided with a rectangular ventilation opening. The utility model has the advantages that the use of a large amount of adhesive is avoided, and adverse effects on health are reduced; steel nails are prevented from being used for fixing, deformation of the door plate is reduced, and rusting is avoided. Meanwhile, the ventilation effect of the wooden door is improved.
Owner:JINGMEN YINDU BUILDING MATERIALS CO LTD