1584 results about "Cigarette smoke" patented technology

The invention provides a simulation electronic cigarette and a cigarette case thereof. The simulation electronic cigarette comprises a cigarette holder, a liquid bearer, an atomizer and a cigarette stem, wherein the atomizer comprises an atomizer casing, a high-temperature insulating body, an atomizing head, a porous permeating part, an electric heating wire and an adsorption body, wherein the atomizer casing is provided with a cavity and is arranged in a casing of the cigarette holder; the high-temperature resistant insulating body is arranged in the atomizer casing and is internally provided with an atomizing cavity; the atomizing head is connected to an outer circumferential surface of the high-temperature insulating body; the electric heating wire is accommodated in the atomizing cavity and is electrically connected to a battery and a control circuit in a cigarette stem tube; the adsorption body is accommodated in the atomizing cavity, is wound on the electric heating wire and is connected with the porous permeating part; and the atomizer casing, the high-temperature insulating body, the atomizing head and the cigarette stem tube are respectively provided with ventilating open pores forming a gas path with a smoke outlet. Therefore, the invention improves the service efficiency of atomizing liquid, prevents the leakage, and simplifies the work control and a charging mode of a charging battery.

An electrically heated cigarette smoking system includes a cigarette that is formed with a tobacco rod portion, a filter tube portion, a tobacco mat layer wrapped around the tobacco rod portion and the filter tube portion with opposite ends of the tobacco mat layer abutting along a seam parallel to the central axis of the cigarette and cigarette paper wrapped around the tobacco mat layer and bonded to itself along an overlapped seam that is offset from the seam of the tobacco mat layer. The method of manufacturing the cigarette includes wrapping the tobacco mat layer and the cigarette paper around the tobacco rod portion and the filter tube portion on a single, high-speed machine.

The Sensory Smoking Simulator (5) performs by means of suction to draw smoke (33) from a cigarette (21a), only a small amount of which is smelled by the user (39). It is a main body (40) that includes an air motor (12) and a vacuum pump impellers (29) operating in two separate sections (41 and 42). The lower section (42) has a window (10) to connect with the ambient air and a mouthpiece (15) that yields a bitter taste. Means is provided so that when a person (39) inhales, air is draw into the lower section (42) and through the mouthpiece (15). The upper section chamber (41) has a cigarette receiver (24) and two passageways attached, one of them (35) to exhaust the cigarette smoke to ambient air, the other one (30) to let exhaust a lesser amount of smoke (33s) near the user's nose (31). The smell from cigarette smoke (33s) and the taste secreted from the mouthpiece (15) create a mental effect similar to that of smoking, but far less harmful to a person's health.

A cell culture system related to extended in vitro culture of mature retinal cells and methods for preparing the cell culture system are provided. Also provided is a retinal cell culture stress model related to extended in vitro culture of mature retinal cells in the presence of a stressor and methods for using the cell culture stress model. The invention provides a cell culture system comprising a long-term culture of mature retinal cells, without requiring addition of other types of non-retinal cells such as purified glia, or cells isolated from ciliary bodies within the eye, and the addition of a stressor such as light, A2E, cigarette smoke condensate, glutamate, or hydrostatic pressure. Methods for identifying bioactive agents that alter viability, neurodegeneration, or survival of retinal cells using the retinal cell culture stress system are also provided.

The invention discloses a heat-not-burn cigarette smoke cooling material and application thereof. The heat-not-burn cigarette smoke cooling material is prepared from, by mass, polymer 50-75%, layerednano material 5-15%, fibrous nano material 4-15%, phase change material 5-10% and metal powder 3-10% by adopting screw extrusion processing. The heat-not-burn cigarette smoke cooling material has highheat resistant shrinkage by means of addition of the layered nano material and the fibrous nano material, and the defect that a polylactic acid cooling material shrinks due to heat is avoided; the exogenous phase change material is added, so that the heat-not-burn cigarette smoke cooling material has a better cooling effect; in addition, the heat-not-burn cigarette smoke cooling material has a low interception rate of smoke, and the suction experience is not affected basically.

A method of preparing a crimped tow of cellulose acetate filaments comprising the steps of: a) providing cellulose acetate dope b) forming filaments (23) from the dope c) applying at least one additive to the filaments d) crimping the filaments to form a crimped tow wherein the at least one additive is capable of removing a component from cigarette smoke. Preferably, the component is a Hoffmann analyte. The additive may comprise a solution, liquid, emulsion or particulate material or combinations thereof. Preferably, the additive comprises an acidic compound or an alkaline compound. The additive may comprise malic acid, potassium carbonate, citric acid, tartaric acid, lactic acid, ascorbic acid, polyethyleneimine, cyclodextrin, sodium hydroxide, sulphamic acid, sodium sulphamate, polyvinyl acetate and carboxylated acrylate, carbon, silica, zeolite, clay, alumina, metal, molecular sieves or an ion exchange resin. The product tow can be processed on standard equipment to make efficient filter rods from which cigarette filter tips can be made which give significantly increased and selective retention of key smoke constituents.

The invention discloses a calixarene additive capable of simultaneously and optionally reducing benzo (a) pyrene and phenol contents in cigarette smoke and an application method thereof. In the invention, deep-cavity P-(1-(4-hydroxyphenyl)-1-methylethyl) calyx (8) aromatic compound is selected as the additive material, and the compound is added in a common and conventional filter tip which bettercan be suitable for a compound filter, with the additive amount being arbitrarily adjusted according to the needs. By using the molecular recognition function and the cavity size select effect of thecalyx (8) aromatic compound, the additive can be optionally combined with the benzo (a) pyrene and phenol molecules in the cigarette smoke. When the additive is added into the filler with the amount of 10mg/per cigarette, 33.2 percent of benzo (a) pyrene content and 41.4 percent of phenol content in the cigarette smoke can be simultaneously reduced, and other chemical compositions in the smoke arebasically not influenced, thus achieving the goal of selective harm reduction.

The various embodiments herein provide an electrospun fiber mat filter comprising a cigarette filter containing macrocycle for removing toxic compounds from a toxic material, wherein the toxic material comprises liquid, gas, and cigarette smoke and a method of synthesizing the same. The electrospun fiber mat cigarette filter comprises a biological, organic or synthetic macrocycle, plurality of additives, a solvent and an acceptable polymeric carrier. The biological macromolecules are engineered polyhemoglobin and/or chlorophyll. The biological, organic, or synthetic macrocycle are electrospun with the acceptable polymeric carrier in presence of an abruptly asymmetric electric field to form an electrospun fiber mat. The electrospun fiber mat is made up of networks of plurality of nanofibers.

The invention discloses a preparation method for a heated non-combustion type cigarette block. The cigarette block is composed of 50% to 70% of tobacco powder, 5% to 20% of tobacco stem powder, 3% to 7% of tobacco flavor, 10% to 20% of deionied water, 7% to 11% of alginate and 1% to 2% of glycerinum. All the components are evenly mixed to form tobacco pulp which is formed through a die, and therefore the cylindrical cigarette block with holes can be formed; the formed cigarette block is dried in a drying oven at the temperature of 40 DEG C, the tobacco flavor accounting for, by weight, 1% to 3% of the cigarette block is evenly sprayed on the cigarette block, and the prepared cigarette block is balanced in a constant temperature humidity chamber. The cigarette block is used for a heated non-combustion type cigarette. The cigarette block fills in gaps in the aspect of heated non-combustion type cigarette preparation; meanwhile, the heating efficiency of the cigarette block can be improved, and the puff number of the cigarette can be obviously increased.

The invention discloses an essence for a cigarette blasting bead and application thereof. The essence comprises the following components: 2,3-dimethylpyrazine, clove bud oil, lactic acid, ethyl maltol, ethyl cyclopentene alcohol ketone, vanillin, 2,6-syringol and medium chain triglyceride (MCT). The essence 15-20 mu l is wrapped in a capsule in the manner of injection perfuming and then is put into a middle part of a filter tip of a cigarette. The essence for the cigarette blasting bead has bake, coke and sweet flavor fully coordinated with the cigarette smoke flavor feature and is accompanied with slight flowery flavor. The essence applied to the cigarette blasting bead can obviously increase the smoke flavor quality, reinforce the satiated feel and richness of the smoke and reduce the sensory stimuli of the smoke.

A system and method for a cigarette smoke filtration device that reduces second-hand smoke and holds a lit cigarette while being smoked or sitting idle. The device somewhat resembles a bifurcated cigarette holder wherein a lit cigarette is placed within the device while being smoked or sitting idle. Once inside, the device draws the smoke from the cigarette through a filtering system reducing offending odors as well as most of the harmful gases from cigarette smoke. The filtering system has replaceable filter cartridges. The spent ashes are collected in the device's base which can be emptied as needed.

The invention discloses an application of acetate fiber paper added with an adsorptive filling material in a paper filter rod. Through the invention, smoke can sufficiently contact with the adsorptive filling material when flowing in the filter tip so that the adsorptive filling material catches harmful components such as tar, nicotine and the like in smoke and the filtering effect of the paper filtering material is improved. The cigarette filter made from the acetate fiber paper filtering material added with the adsorptive filling material has a remarkably obvious effect in adsorbing solid grain phase matters, tar, nicotine and other harmful components in smoke. Through the invention, the suction volume of people for harmful components in cigarette smoke can be greatly reduced to improve the cigarette safety.

The invention provides a cigarette smoke detection method based on video monitoring. The method is divided into a classifier training phase and a cigarette smoke detection phase. In the classifier training phase, geometrical characteristics and Hog characteristics of all prepared positive and negative sample sets are extracted, a support vector machine is used for training the extracted characteristic vectors, and a classifier is generated; and in the cigarette smoke detection phase, firstly, a Gaussian mixture model is utilized to obtain a foreground motion region from a video image obtained by a monitoring camera, then noisy points and cavities are removed by means of morphological filtering, projection histograms in X and Y directions are counted according to the characteristics of cigarette smoke, a precise interested region is obtained, finally characteristics of the interested region are extracted and combined into characteristic vectors, the characteristic vectors are input into the classifier, and whether the interested region has cigarette smoke is judged. The method provided by the invention has the advantages that the interference resistance is high, the detection sensitivity is high, the false alarm rate is low, the cigarette smoke can be recognized in realized, the position of the cigarette smoke is determined, and the cigarette control work of indoor public places is facilitated.

The invention discloses a Chinese herbal medicine health-care cigarette, comprising a cigarette stem and a filter tip connected with the cigarette stem, wherein shredded tobacco is contained in the cigarette stem; the shredded tobacco is prepared by mixing Chinese herbal medicines, Chinese alpine rush fibers and essence; the Chinese herbal medicines comprise elm bark powder matched with one or a plurality of radix isatidis, lotus leaf, peppermint leaf, tea leaf, honeysuckle flower, chrysanthemum flower, clove, liquorice, ginger, radix scutellariae and Chinese thorowax. The Chinese herbal medicine health-care cigarette adopts the elm bark powder instead of the traditional shredded tobacco adhesive containing large amounts of coke tar and other harmful substances, uses the Chinese alpine rush fibers and the essence as the auxiliary materials and combines the Chinese herbal medicines to prepare the Chinese herbal medicine health-care cigarette of which the mouth feel, the lasting taste, the burning speed and the ash color are close to those of the traditional cigarette. The health-care cigarette does not contain harmful substances contained in the traditional cigarette, so that smokers can enjoy the feel of traditional smoking and absorb the abstract of the Chinese herbal medicines at the same time; and therefore, the health-care cigarette performs the functions of keeping good health and strengthening the body.

The disclosure discloses an electronic cigarette. The electronic cigarette comprises a cigarette rod provided with an air outlet for cigarette smoke flowing out, wherein the electronic cigarette further comprises a break means formed on an edge area around the air outlet to be convenient for users to smoke after removing the break means. In this disclosure, a break means configures around an air outlet for the cigarette smoke flowing out. In such case, firstly, removing the break mean while users use the electronic cigarette, which can be regarded as a mark for judging whether the electronic cigarette has been used or not. With such construction, it is convenient for users to judge whether the electronic cigarette has been used or not, which is more healthy and can avoid diseases transmitting crossly between users.

The invention discloses a composite additive and application, which is composed of tobacco extract, alkaline metal salt and metal hydroxide to reduce harmful component such as amine nitrite, condensed-nuclei aromatics and carbon monoxide. The composite additive is fit for cigarette, which can modify and improve the quality of cigarette.

The invention discloses a cigarette smoke detection method based on computer vision. The method comprises the two stages of classifier generation and cigarette smoke detection. The classifier generation stage comprises the steps of receiving sample video information, extracting a suspected cigarette smoke area through multichannel background subtraction, extracting motion features of the suspected area and combining the extracted motion features into a feature vector training support vector machine. The cigarette smoke detection stage comprises the steps of receiving the video information to be detected, extracting dynamic features of the suspected cigarette smoke area and combining the dynamic features into a feature vector input classifier through the same method used in the classifier generation stage, and judging whether cigarette smoke exists in the suspected area. By means of the cigarette smoke detection method based on computer vision, large-range cigarette smoke detection in a simple scene can be achieved, and smoke control work in a public place is facilitated.

The invention discloses a device for analyzing gas phase chemical components of cigarette smoke on line, which is characterized in that: a smoke-transmitting quartz capillary is arranged between the sucking barrel of a smoking machine and an on-line analytical mass spectrometer; two openings are formed on the end faces of the sucking barrel; one opening is a smoke analysis sampling opening; the other opening is a smoke importing and exporting opening which is connected with a three-way pipe; the three-way pipe is communicated with a cigarette holder which can continuously switch and a pipeline vacuum extracting opening at the same time; a vacuum ultraviolet ionization area is formed in the on-line analytical mass spectrometer; one port of the smoke-transmitting quartz capillary is connected with the smoke sampling opening on the sucking barrel; and the other port of the smoke-transmitting quartz capillary passes through the cavity wall of the on-line analytical mass spectrometer and enters the vacuum ultraviolet ionization area. By using the device for analyzing the gas phase chemical components of the cigarette smoke on line, the influence of the smoke of a last toke on the analysis result of the gas phase components of the smoke of a next toke can be effectively eliminated in the process of sucking a cigarette toke by toke, and the gas phase components of a single toke of the cigarette smoke can be automatically and continuously analyzed on line.

The invention discloses a video smog fine classification method based on a color model and motion characteristics, comprising steps of differentiating and constructing a color model on the basis of a gauss mixing model and a background, detecting a motion pixel point and performing initial screening, obtaining a motion object connected region, extracting a motion changing characteristic, setting a threshold and determining whether a suspicious smoke area exists, performing pre-processing on the suspicious smoke area, extracting a SIFT characteristic on the basis of an image block, combining with an SVM optimization random forest algorithm, performing training based on the suspicious smoke area image block and thus realizing the fine classification of the fire hazard smoke, the cigarette smoke, the water vapor, etc. The video smog fine classification method based on color model and motion characteristics performs video smoke detection based on the color model and the motion characteristic and by targeting the fine classification, realizes real-time fast smoke detection, effectively eliminates the interference having similar effect interference sources with the fire hazard smoke, and improves the detection efficiency and accuracy.

An automatic filter tip attaching machine includes a mechanical structure moved by a computer program to automatically attach three filter tip stages a, b, c to cigarettes, with a chemical powder filled in the filter tip b to absorb nicotine and tar completely from cigarette smoke.

The invention discloses modified starch granules, the preparation method and the application thereof. The preparation method comprises the following steps: stirring starch and acetic buffer solution uniformly, adding saccharifying enzyme for enzymolysis reaction, adding sodium hydroxide solution to stop the reaction, centrifugally separating to obtain paste-shape porous starch, microwave drying, pulverizing and sieving to obtain the desired modified starch granule. The modified starch granule is superior to active carbon in adsorption performance, and can be added into the filter core of a cigarette filter to prepare a binary or ternary filter, which can effectively reduce the delivery amount of tar and carbon monoxide in the smoke, improve the cigarette sense quality, effectively improve the cigarette sense comfort and improve the centralization degree of the cigarette smoke. The modified starch granule has good application prospects.

The invention discloses kudzuvine root porous particles and application thereof to cigarettes. The kudzuvine root porous particles of 20-60 meshes are prepared by taking kudzuvine root powder of which the water content is 5-6 percent and the particle diameter is 100-160 meshes as raw materials and taking one or more of gelatin, polyvinylpyrrolidone and sodium carboxymethyl starch as bonding agents with a fluidized bed top spray process. The particles are rough in surfaces and are large in specific surface areas, the effective contact area between a particle material and cigarette smoke is increased remarkably, and hydrocyanic acid and crotonaldehyde in cigarette smoke can be adsorbed selectively; the irritation of the cigarette smoke is effectively lowered, and remaining taste is improved; meanwhile, the effect of improving the sweet taste of smoke is enhanced. The kudzuvine root porous particles and the application thereof to the cigarettes have the advantages of simple production process, high operability, high standardability, ready availability of raw materials, low cost, convenience in the realization of industrial production and good application prospect.