DENSO Group Germany: High quality solutions for almost one century
Rising in the midst of collapse
14/11/1922: The company is founded in Berlin under the name Chemieprodukte GmbH. Against the backdrop of a post-war 1920s Germany that is suffering famine, hyperinflation and unemployment, the company lays the foundations for its future "Made in Germany" story of success.
Redefining corrosion prevention
14/07/1927: "Schade´s plastic protective tape" is patented and goes down in history as the fledgling company's first invention. The "DENSO tape" (Petrolatum tape) is the world's first passive corrosion prevention solution for pipes and pipelines and over the coming decades, the name becomes a generic synonym for all types of protective pipe tape.
Customer satisfaction as a catalyst for success
1929: The company wins Berlin's municipal gas authority, or Berliner Städtische Gaswerke AG (GASAG), as its first customer. Many national and increasing numbers of international municipal authorities and pipeline operators follow suit: Stadtwerke München (the Munich municipal authority), Ruhrgas AG Essen and the Blackstone Gas Company in the USA are all impressed by the new technology.
TOK®-Band: A flexible and stable channel solution
1952: TOK®-Band– a ready-made malleable tape solution for channel sealing – is invented. Up until this point, the only sealing methods available used hot casting or filler. However, these solutions produced a seal that was too rigid, leading to the seal breaking whenever the pipe moved in the ground.
DENSOLEN®: Preserving value with three-ply tape
1973: DENSO Group Germany invents the world's first co-extruded three-ply tape for welding connections on pipes and pipelines. A brand new cold-application technology is used to fuse the layers of the tape together, creating a hose-type permanent seal.
TOK®-Band: Taking quality to the roads
1977: The world's first bitumen joint tape for joints and seams in asphalt road construction is invented. The TOK®-Band name quickly becomes a synonym for all bitumen joint tapes.
DEKOTEC®: Rapid application – permanent seal
2006: DEKOTEC® heat shrinkable sleeves featuring innovative hot-melt and mastic technology are launched. The product line is known for its outstanding quality and simple, fast application.
TOK®-Sil Resist: A new product for new partners
2014: The world's first joint sealant for biogas plants and liquid manure, slurry and silage effluent plants provides an effective, permanent seal at the critical point – the intersection between horizontal and vertical joints. The invention of TOK®-Sil Resist is of particular interest to operators of biogas plants.
TOK®-Band: Improve the proven - Develop new ones
2017: 40 years after the introduction of the first TOK® bitumen joint tapes for road construction, the application of the new TOK® tapes is now possible without any primer. As of now, the customer applies the tapes considerably faster and the environment is protected. - Another proof of the innovative power of DENSO.
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