In recent years, due to the proliferation of counterfeit and shoddy goods, the use of anti-counterfeiting technology has become increasingly prominent in the identification and prevention of counterfeit and shoddy goods. Printing anti-counterfeit marks on their products has become an effective measure for self-protection by famous-brand manufacturers and enterprises producing famous products. At present, there are hundreds of commodities with anti-counterfeit marks on the Chinese market, such as Xiafei Cosmetics, Red Star Erguotou, and floppy disks produced by 3M Company for computers.
There are several types of anti-counterfeit labels:
1. Reactive SK temperature control anti-counterfeiting mark: As long as the mark is slightly heated, the anti-counterfeiting color will immediately disappear, showing the production mark of the anti-counterfeiting manufacturer; after cooling, the anti-counterfeiting color will quickly restore and re-cover the anti-counterfeiting mark.
2. Fluorescent anti-counterfeit mark: The mark printed with anti-counterfeit fluorescent ink will illuminate through a special anti-counterfeit fluorescent lamp, showing bright red, orange, yellow-green or green fluorescence, with high fluorescence intensity and good printing adaptability.
3. Invisible technology anti-counterfeiting mark: According to the principle of holographic anti-counterfeiting mark, the top surface of the metal bottle cap is used to directly produce a hidden anti-counterfeiting anti-counterfeiting mark with real flashing color. This kind of mark can reflect a specific pattern or glyph when it is irradiated by sunlight or spotlight.
4. Laser holographic anti-counterfeiting mark: According to the principle of laser interference, the pattern or person is photographed from different levels and angles, and then superimposed to produce different color effects. This kind of anti-counterfeit marking technology has high content and is not easy to imitate. It should be promoted and promoted.
5. Light-sensitive and temperature-sensitive double anti-counterfeiting marks: a double-layer anti-counterfeiting mark composed of a base layer and a paint layer containing light-sensitive and temperature-sensitive paints respectively. Under the natural light ultraviolet irradiation of the selected photosensitive coating, the color is within 2-6s and quickly changes from shallow to dark, and a reversible reaction occurs; the temperature-sensitive coating touches the finger at room temperature for 5-10s, and the color quickly changes from deep to shallow, and the reversible reaction occurs . When in use, consumers only need to gently press the anti-counterfeit sign on the product with their fingers, and they can change the color after 5s.
The following introduces two foreign anti-counterfeiting marks.
1. Reverse anti-counterfeit label of American 3M Company: The original products of 3M Company are attached with watermark reflective labels. The identification method is: the flashlight is held between the two eyes and is parallel to the eyes. The light source illuminates the label, and the eye line of sight looks at the light source. The label will reflect the shining 3M watermark, which is true and false.
2. The "shape memory" anti-counterfeiting mark on the air conditioner of Mitsubishi Heavy Industries, Japan: Use a hair dryer (hair dryer) to blow hot air to the "Mitsubishi Heavy Industry Anti-counterfeiting Trademark" posted on the indoor / outdoor unit of the "Mitsubishi Heavy Industry Air Conditioner" for 10-15s After the trademark becomes soft, use your fingers to deform it and wait for it to cool and harden, then blow the hot air "Mitsubishi Heavy Industries Anti-counterfeiting Trademark" to the deformed trademark again to restore its original appearance. This method called shape memory function identification can be repeated.
In order to gradually standardize anti-counterfeiting technology products, the National Bureau of Quality and Technical Supervision issued six national standards for anti-counterfeiting technology products in 1997. As a compulsory national standard, the "RMB Counterfeit Banknote Identifier" has been implemented since July 1, 1998. "General technical conditions for anti-counterfeiting holographic products", "Part I of security and anti-counterfeiting: paper for securities and certificates", "Part I of anti-counterfeiting inks: technical conditions for ultraviolet-excited fluorescent inks (offset, letterpress printing)", "Management specifications for anti-counterfeiting printed products" Five anti-counterfeiting standards, such as "Anti-counterfeiting Technical Terms", were implemented as recommended national standards on May 1, 1998.
"General technical conditions for anti-counterfeiting holographic products" stipulates the classification, anti-counterfeiting strength, product technical requirements and security measures of anti-counterfeiting holographic technology; the standard of security anti-counterfeiting paper is mainly used for printing securities, checks, stocks and documents paper; the standard of anti-counterfeiting ink specifies ultraviolet Technical requirements for exciting fluorescent inks.
The implementation of a series of anti-counterfeiting standards is very beneficial to inhibit the social circulation of fake RMB and fake securities, protect the interests of the people, and stabilize the financial order; the five recommended anti-counterfeiting standards provide a technical basis and guarantee for regulating the development of the anti-counterfeiting industry.
As we all know, any low-tech or single anti-counterfeiting technology and products are difficult to effectively play the role of anti-counterfeiting. The higher the level of manufacturing anti-counterfeiting products, the more difficult and complex the technology, the greater the difficulty of counterfeiting, and therefore, the better the anti-counterfeiting effect. Based on this reality, many manufacturers of anti-counterfeit products have continuously improved, perfected, and updated their technologies and products. At present, they have developed laser holography, one-time use, invisible encryption, multi-color reorganization, micro-code, dynamic rotation, orthogonal imaging , UV fluorescence and color-changing ink and other anti-counterfeiting technologies in one product, thus enhancing the product's anti-counterfeiting function.
Cesspit emptier, Pollution Truck, Suction sewage truck, Vacuum suction Truck, Sewer Suction Truck, is collecting, cleaning up pollution car transport, sewage sludge, and avoid the secondary pollution of sanitation vehicles, new car pollution can be self-priming since the row, working speed, large capacity, transportation is convenient, applicable to collect feces, mud, oil and other liquid material transport. CLW GROUP TRUCK Sewage Suction Truck, Pollution car using domestic technology led to the pollution of vacuum pump, the suction, suction cjay, especially suitable for the drain suction of warp, the loading and unloading, especially can suck a drain mud, mud, stones, bricks and other large objects.
Introduction to the
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CLW GROUP TRUCK Sewage truck function
Sewage Suction Truck dedicated by taking power device, a transmission axis, a vacuum sewage pump, pressure tanks, hydraulic parts, pipe network system, vacuum pressure gauge, dung window, hand washing device and so on, the accessory configuration high-power vacuum sewage pump and hydraulic system, a tank head die casting molding, tanks can be opened after, double top dump. Dumping sewage tank can be directly through the rear cover, high vacuum (greater than the dung sucking suction), large tonnage, high efficiency and use a wider range of features.
Pollution and dung sucking with the same principle, but pollution car with dung sucking again have different purposes. The difference is that pollution car tanks for circular jar, structure more closely, can provide greater suction higher pressure resistance, can be used to collect clean transport sewage and sludge.
The working principle of CLW GROUP TRUCK Cesspit emptier
As dung hose always immersed in a liquid surface absorption, dung after the air tank by suction, because its are not added and more and more thin, the tank pressure below the atmospheric pressure, the liquid manure is used at atmospheric pressure, the suction droppings hose into the tank. Close to the tank bottom, or the siphon tank, air is constantly into dung was compression because of its no way out, and the tank pressure is higher than the atmospheric pressure, dung liquid under the action of compressed air, namely, the siphon, suck fecal discharge hose outside the tank.
Sewage Suction Truck has high pump efficiency, imbibition, since the row and straight irrigation, etc. Smoke pot filled with dung time: 5 min or less, suction: 8 m or higher. According to have a long service life, the work speed, easy operation, convenient transportation, etc.
The main purpose of cleaning truck absorption
Sewage Suction Truck is mainly used for cleaning the city sewer, pipe sediment, corner dredge mud ditch, also can be used for industrial drainage pipe cleaning, wall, etc., and can double as water, water and washed the road use, can be used for fire emergency.
choose
1, pay attention to quality, vacuum tightness, such problems as poor material likely to cause deformation of tank.
2, the choice of vacuum package, bearing capacity and temperature difference of perception.
3, the selection of tank cover, according to the local work environment, temperature and so on.
4, according to the national development and reform commission on enforcing the exhaust emission regulations, 08 year July 1, before the second parameter data delete all vehicles.
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