33results about How to "Extrusion resistant" patented technology

The invention discloses a multi-buffer air packing device. In the device, two layers of thermoplastic films are subjected to two times of thermal plastic sealing to form a three-dimensional packing body capable of sealing the air, the packing body comprises a plurality of independent sealed air chambers and a main channel with an air inlet, each sealed air chamber is communicated with the main channel through a one-way valve formed by two layers of films, the sealing chambers have turning points, the packing body is divided into a main bearing face and a lateral bearing face by a turning point line formed by the turning points, the diameter of the middle part of the sealed air chamber of the main bearing face formed after inflation is smaller than the diameters of the sealed air chambers on two sides. In the air packing device of the invention, higher air chambers, when a packed object falling onto the ground is impacted, contact the ground first and then the lower air chambers in the middle contact the ground to produce a secondary buffering effect, so the impact of the packed object is relieved considerably and the impact performance of the packing device is improved. Compared with packing devices of the same volume, the multi-buffer air packing device has much higher impact performance.

Disclosed is an air packaging device. A space capable of storing air is formed by two thermoplastic films by means of two-time thermoplastic packaging. The air packaging device comprises a plurality of independent hermetic air chambers and a main passage, the main passage is provided with an air inlet, each hermetic air chamber is communicated with the main passage through a one-way valve consisting of two films, and two or more than two one-way valves are mounted in part of air chambers or all the air chambers. Buffers are added on main portions of the air packaging device, and the size of air columns is decreased on the portions which do not need too much protection, so that the size of the air packaging device can be effectively decreased, and transport cost is reduced. By means of direct forming at a use site of a user, transport space and cost can be greatly reduced, so that the problem of excessively high cost during long-distance transport of packaging materials is solved.

The invention discloses a three-layer air packing device. Two rectangular thermoplastic films are subjected to secondary hot laminating to form a three-dimensional packaging body which is provided with an opening and can seal air; the three-dimensional packaging body comprises a plurality of independent sealed air chambers and a main channel; the main channel is provided with an air inlet; each sealed air chamber is communicated with the main channel through a one-way valve consisting of a one-way valve film; the inner side of the three-dimensional packaging body is provided with an inner bag; and the inner bag is formed by fixing four sides of a rectangular lightproof and / or antistatic thermoplastic film on the four sides of the rectangular thermoplastic film on the inner side of the outside three-dimensional packaging body. By the packing device, the consumption of lightproof or antistatic bags for packaging objects to be packaged is reduced, a procedure of sleeving the lightproof or antistatic bag is eliminated, the packaging time is greatly shortened, and possible accidents in the packaging process are further reduced, so that the cost is saved.

The invention discloses a preparation method of glass wool. The method comprises the following steps of: producing glass wool filaments by adopting a centrifugal blowing method, uniformly atomizing glass wool adhesive onto the surface of the glass wool filaments, collecting wool of the glass wool fibers by virtue of a wool collection machine, transporting to a curing furnace, and performing the curing at the temperature of 220 to 270 DEG C, wherein the weight ratio of the glass wool filaments to the glass wool adhesive is (4 to 6): (94 to 96). The invention aims at providing glass wool and a preparation method of the glass wool. The glass wool has high strength and good thermal insulating performance.

A method for preparing the air-isolating 3D packing bag from O-type self-adhering film features that on the basis of the self-sucking performance of self-adhering film and the characteristics of print isolating device, a series of dedicated thermal sealing apparatuses is used for simple and local thermal adhering and sealing and the distributing technique of supplying trunk is also used. The resultant packing bag has high resistance to squeeze, vibration and impact and excellent buffering performance.

Disclosed herein are a recyclable, multi-functional, three-dimensional, sealed packing material and a preparation method thereof. The packing material is formed by multi-layer functional resin films, and spaces for containing air are formed by heat-sealing and folding the films. The packing material is obtained after the spaces are inflated.

The invention discloses a multi-buffer air packing device. In the device, two layers of thermoplastic films are subjected to two times of thermal plastic sealing to form a three-dimensional packing body capable of sealing the air, the packing body comprises a plurality of independent sealed air chambers and a main channel with an air inlet, each sealed air chamber is communicated with the main channel through a one-way valve formed by two layers of films, the sealing chambers have turning points, the packing body is divided into a main bearing face and a lateral bearing face by a turning point line formed by the turning points, the diameter of the middle part of the sealed air chamber of the main bearing face formed after inflation is smaller than the diameters of the sealed air chambers on two sides. In the air packing device of the invention, higher air chambers, when a packed object falling onto the ground is impacted, contact the ground first and then the lower air chambers in the middle contact the ground to produce a secondary buffering effect, so the impact of the packed object is relieved considerably and the impact performance of the packing device is improved. Compared with packing devices of the same volume, the multi-buffer air packing device has much higher impact performance.

The invention relates to an improved air packaging device. Two layers of thermoplastic films are subjected to secondary thermoplastic packaging to form a stereoscopic packaging body which can be sealed. The improved air packaging device comprises a plurality of independent seal air chambers and a main passage, wherein the main passage is provided with an air inlet; and each seal air chamber is communicated with the main passage by a check valve formed by two layers of films. The improved air packaging device is characterized in that the check valve and the main passage for inflating the check valve are formed by carrying out thermoplastic packaging on the two layers of films and one layer of thermoplastic film of the packaging body into a whole and can be arranged in any position of the seal air chambers. Meanwhile, because the two layers of check valve films are only fixed on any layer of thermoplastic film, and the check valve films are adhered to the thermoplastic film after inflated and do not bear any tension, the tearing risk does not exist, and the safety of the packaging device is greatly improved.

The invention relates to a self-adhesive film air-rejecting three-dimensional packaging material and a manufacturing method thereof. The packaging material is composed of four layers of resin films, including two wider resin films and two narrower resin films. Subpartial heat sealing and a series of folds form multiple spaces that can store air medium, and use the interaction of the film's own viscosity and air pressure to prevent air from leaking out, thus forming a self-contained air medium by air and film. Mucous membranes reject air and three-dimensional packaging materials. Compared with the prior art, the air three-dimensional packaging material of the present invention has excellent comprehensive protection properties such as extrusion resistance, shock resistance, drop resistance and buffering, and can be used as a filling packaging material for articles, as a partition for parts or important parts of articles. It is used for all-round outer packaging of pads and articles.

The invention relates to a return plug type air packaging device. Two thermoplastic film layers are subjected to thermal plastic packaging twice to form a three-dimensional packaging body which is provided with an opening and can seal the air, the three-dimensional packaging body comprises a plurality of independent sealing air chambers and a main channel, the main channel is provided with an air inlet, each sealing air chamber is communicated with the main channel by virtue of a check valve composed of a check valve film, the three-dimensional packaging body is also internally provided with an inner bag which can not be aerated, and the inner bag is formed by plastically packaging an outward extending section at one side of an opening of the packaging body and the other side of the opening or the outward extending section at the other side and is suspended in the inflated three-dimensional packaging body. The invention provides an air packaging device applicable to packaging of materials which are about to be packaged and provided with edges on the surface. By applying the packaging device, the packaging film for the materials to be packaged is saved; and meanwhile, a packaging film packaging process is eliminated, the packaging time is greatly reduced, and the accident probably existing in the packing process is further reduced, thus the cost is saved.

The invention relates to a vacuum pipe paper box device. The vacuum pipe paper box device comprises a packaging box body. A plywood tray is arranged at the bottom of the packaging box body. The vacuum pipe paper box device is characterized in that one or two or more layers of packaging linings used for packaging vacuum pipes are arranged in the packaging box body; the packaging lining comprises a lower fixing part, an isolating and blocking part and an upper fixing part; in the blocking part, a plurality of cavities used for containing the vacuum pipes are formed through the staggered arrangement of transverse stop pieces and longitudinal stop pieces, the upper edges of the transverse stop pieces protrude out of the upper edges of the longitudinal stop pieces to form transverse connecting pieces, and the lower edges of the longitudinal stop pieces protrude out of the lower edges of the transverse stop pieces to form longitudinal connecting pieces; the upper fixing part comprises a plurality of transverse fixing pieces arranged in the longitudinal direction, and each transverse fixing piece is clamped between the corresponding two transverse connecting pieces; and the lower fixing part comprises a plurality of longitudinal fixing pieces arranged in the transverse direction, and each longitudinal fixing piece is clamped between the corresponding two adjacent longitudinal connecting pieces. According to the vacuum pipe paper box device, the inventory area can be reduced, resources are saved, and a protection function is achieved in the transporting process.

The invention discloses super-hydrophobic and super-oleophylic melamine foam and a preparation method and application thereof. The super-hydrophobic and super-oleophylic melamine foam is prepared by the following steps of using porous melamine foam as a substrate; chemically grafting the substrate with a substance of one or a mixture of trimethoxysilylpropanethiol and 3-mercaptopropyltriethoxysilane to activate the substrate; under the existence of ultraviolet light and light initiator, enabling the thiol and the vinyl of long-chain alkane acrylic ester to generate clicking chemical reaction, so as to enrich C-C long chains on the substrate, so that the surface energy of the substrate is reduced, the roughness is improved, the hydrophobic property is greatly improved, and the oil and water selectivity is obviously improved. The preparation method has the advantages that the hydrophobic modification on the melamine foam is precise, the efficiency is high, the operation is simple and convenient, the implementing is easy, the consumption time is short, the cost is low, and the method is suitable for large-scale production. The super-hydrophobic and super-oleophylic melamine foam can be directly applied to the sea oil overflow, recycling of leaked chemicals, separation of oil and water mixture, and the like.

Disclosed is an air packaging device. A space capable of storing air is formed by two thermoplastic films by means of two-time thermoplastic packaging. The air packaging device comprises a plurality of independent hermetic air chambers and a main passage, the main passage is provided with an air inlet, each hermetic air chamber is communicated with the main passage through a one-way valve consisting of two films, and two or more than two one-way valves are mounted in parts of air chambers or all the air chambers. Buffers are added on main portions of the air packaging device, and the size of air columns is decreased on the portions which do not need too much protection, so that the size of the air packaging device can be effectively decreased, and transport cost is reduced. By means of direct forming at a use site of a user, transport space and cost can be greatly reduced, so that the problem of excessively high cost during long-distance transport of packaging materials is solved.

The invention relates to an air package device with a transverse air valve. A three-dimensional package body capable of sealing air is formed by two layers of thermoplastic films through secondary thermoplastic sealing, and the air package device comprises a plurality of independent sealing air chambers and a main passage, wherein the main passage is provided with an air inlet, each sealing air chamber is communicated with the main passage through a one-way valve air inlet at an air inlet sealing line part of the one-way valve formed by the two layers of one-way valve films, a plurality of outlet pre-setting points are arranged at the outlet of the one-way valve, the pre-setting points of the outlet of the one-way valve are discontinuous straight lines, and broken points in the middle of the straight lines provide air outlet passages for each one-way valve. The air package device of the invention can reduce the height of the one-way valve films because of the adoption of the transverse air valve in one aspect, and greatly save the cost of the one-way valve films. In addition, the universality of the transverse air value is high, and unlike the traditional one-way valve which needs to correspondingly use one mold according to the diameter of the air chambers, the package devices of air chambers in various widths can use one set of one-way valve mold, thus the cost of the mold is reduced.

The invention relates to a rope core of a compacted steel wire rope, which is applied to the technical field of processing of the steel wire rope. The invention is characterized in that the weight portions of the compositions of the special material of the rope core are as follows: 69 portions to 71 portions of polypropylene, 14 portions to 16 portions of high density polyethylene, 4 portions to 6 portions of polyolefin elastomer, 4 portions to 6 portions of ethylene propylene diene rubber, 3 portions to 5 portions of nylon 6, 0.4 portion to 0.6 portion of ultraviolet absorbent and 0.4 portion to 0.6 portion of antioxidant. The compact steel wire rope has the effects that the fiber of the steel wire core has no shatter and fracture. The steel wire core has the advantages of shock resistance, extrusion resistance, and ageing resistance. By changing the manufacturing materials and manufacturing technique of the rope core of the compacted steel wire rope, the shock resistance of the rope core is improved, the rope core has good supporting effect in the using process of the compacted steel wire rope and the service life of the compacted steel wire rope is prolonged.

The invention relates to a reusable atmospheric packaging device. A solid packaging body capable of sealing air is formed by performing secondary thermoplastic packaging on two layers of thermoplastic films. The reusable atmospheric packaging device comprises a plurality of independent sealing air chambers and a main channel, wherein an air inlet is formed on the main channel; and each sealing air chamber is communicated with the main channel through an air intake one-way valve consisting of two layers of films. The reusable atmospheric packaging device is characterized by further comprising air release devices which are arranged on the sealing air chambers and are used for exhausting air in the sealing air chambers. Due to the adoption of the atmospheric packaging device, when a packaging task is finished, the air release devices are opened, and the air in the removed atmospheric packaging device is exhausted, and the removed atmospheric packaging device can be used again through air inflation, so that the atmospheric packaging device can be reused and the packaging cost is largely saved.