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113results about How to "Improve support" patented technology

Roadway support device for dynamic pressure roadway and retaining roadway along goaf

The invention discloses a roadway support device used for a dynamic pressure roadway and a retaining roadway along a goaf. The device comprises a hollow steel pipe support, wherein the hollow part of the hollow steel pipe support is a concrete accommodating space; a grouting port which is communicated with the hollow part of the hollow steel pipe support is formed in the lower part of the hollow steel pipe support; a vent hole which is communicated with the hollow part of the hollow steel pipe support is formed in the top of the hollow steel pipe support; the concrete accommodating space of the hollow part of the hollow steel pipe support is filled with concrete concretion; further, a pressure avoiding layer is arranged between the steel pipe support and a roadway top plate; a pillar shoe is generally arranged between the steel pipe support and a roadway bottom plate. According to the support device, the hollow steel pipe support is filled with the concrete concretion, so that the support device has the advantages that the supporting force is large, the stability is good, the construction speed is rapid and the repeated use is realized, and the support device is capable of effectively supporting the dynamic pressure roadway and the retaining roadway along the goaf.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Travel pillow

A travel pillow for supporting the head of a person when seated comprises a generally U-shaped frame having two side members and a rear member, and a padded generally U-shaped cushion fixed with the frame. In one embodiment, the pillow includes a plurality of cushions each fixed along the frame. The frame and cushion may include a plurality of mutually-aligned ventilation apertures therethrough to cool the person's neck and head. The frame may include a plurality of connectable, size-adjustable, or hinged segments for allowing the pillow to be collapsed for storage or transport. In one embodiment, the frame is replaced by a plurality of rigid grommets fixed about each ventilation aperture, or a pair of lateral frames at side sections of the pillow. A travel pillow includes a resilient inner frame having a rear portion and two side portions, and U-shaped outer cushion fixed about the inner frame and including a rear portion and two side portions. Each side portion, and optionally the rear portions, includes at least one transverse air apertures therethrough. Each side portion of the inner frame further includes a forward end. The side portions may each include a drawstring aperture at the forward end for receiving a drawstring having two halves, each of which being fixed at a proximal end thereof at the drawstring apertures and being mutually and selectively fixable at distal ends thereof at one part of a two-part mechanical fastener. A flexible cover that has an opening therethrough into which the inner frame and the outer cushion are inserted may be included that has at least one ventilation area through which air may travel.
Owner:AZUROUS INC

Formula and preparation method of high-heat conduction self-glazing ceramic

ActiveCN104844164AHigh thermal conductivity and stabilityImprove supportBall millHot press
The invention relates to a high-heat conduction self-glazing ceramic preparation method, which comprises: preparing a composite glass; weighing a high-heat conduction self-release glaze ceramic raw material according to a weight ratio, placing aluminum oxide, the composite glass and kaolin in a dry digital control ball mill with a material-to-ball ratio of 1:2 to carry out ball milling for 18-20 h, and adding white wax with the amount of 11.3-15% of the weight of the high-heat conduction self-release glaze ceramic raw material to prepare a wax cake; melting the wax cake, carrying out hot pressing slurry injection forming through a mold to obtain a billet, and placing the billet into a medium-temperature kiln in the protection of adsorption powder to carry out biscuit firing to obtain the product, wherein the biscuit firing temperature is controlled at 900-960 DEG C; and placing the obtained product in a medium-temperature tunnel kiln to sinter after the adsorption powder is removed, and maintaining the temperature for 0.5-1.0 h so as to obtain the high-heat conduction self-glazing ceramic, wherein the sintering temperature is controlled at 1150-1250 DEG C. The high-heat conduction self-glazing ceramic of the present invention has characteristics of simple formula, convenient preparation process, bright outward appearance, convenient production, and life convenience.
Owner:新化县恒睿电子陶瓷科技有限公司

Multifunctional fixing device for branch of Kiwi berry

The invention discloses a multifunctional fixing device for a branch of Kiwi berry. The multifunctional fixing device comprises a rotating shaft, a hanging frame unit, a supporting frame unit, a bearing plate, a threaded sleeve pipe, a threaded rod, a grip, a fixed seat unit, an internal thread and a threaded pipe, wherein the rotating shaft is in plug-in connection with the upper part of the inner side of the threaded sleeve pipe. According to the invention, through arrangement of a fixed stick, a base, a connecting pipe, a protective pipe and a soil insertion stick, the stability of the fixed device is improved, and the fixed device is prevented from tilting; through arrangement of a fixed plate, hanging rings, hanging hooks and a supporting rod, the branch of Kiwi berry is hooked; through arrangement of a connecting seat, a connecting head, a fixed pipe, a supporting plate, an extension rod and a mounting seat, the branch of Kiwi berry is supported, and supporting manners are increased; through arrangement of the rotating shaft, the angle of the fixed pipe is adjusted; through arrangement of the threaded sleeve pipe, the threaded rod, the grip, the internal thread and the threaded pipe, the height of the fixed device is adjusted according to actual situations; and through arrangement of the rotating shaft, the angle of the supporting frame is adjusted.
Owner:张家港市金阳生态农业科技有限公司
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