Laser Welding Technology

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  1. Laser welding technology patent upheld

    TWI anounced that the European Patent Office (EPO) upheld a key patent relating to the laser welding of plastics following oral proceedings held on September 13, 2007, in Munich, Germany. The patent, EP 1117502, which claims the use of radiation absorbing materials to facilitate the welding process, had been initially opposed in October 2003 and revoked by the EPO in oral proceedings in February 2005. This latest ruling by the EPO successfully ends an appeal process initiated by TWI after the 2005 hearing and resulted in full validation of all claims in the patent. Robert Skone James of Gill Jennings & Every LLP, TWI's European patent attorneys, said, "TWI's patent was opposed by many of the major players in the plastics welding field citing more than 50 documents between them. It was therefore particularly pleasing that the EPO Appeal Board maintained the patent in the face of such strong attacks, indicating the significance of the Clearweld invention." The patent was originally granted in January 2003. Patents based upon the claims in EP 1117502 have also been granted in Australia (2002), Mexico (2003), China (2004), Japan (2005), and Brazil (2005) with patents pending in the United States, Canada, and Korea. TWI has commercialized its laser welding technology under the Clearweld brand name through a sole license agreement with Gentex Corporation (Carbondale, PA), an advanced technology company that also manufactures proprietary radiation absorbing materials for a variety of light management applications, including laser protection and other unique light filtration products for military and commercial markets. Gentex has also filed a number of patents related to Clearweld technology in the U.S., Mexico, Canada, Europe, Australia, China, Japan, Korea, and Russia. In addition, Gentex has entered into non-exclusive license agreements with BASF AG (Ludwigshafen, Germany) and Merck KGaA (Darmstadt, Germany) to permit them to sell their proprietary radiation absorbing materials into plastaics laser welding applications worldwide. Information on Gentex and Clearweld can be fount at www.gentexcorp.com and www.clearweld.com . Information on TWI can be found at www.twi.co.uk .

    Online Articles

    Online Articles

    Wed, 10 Oct 2007

  2. New Webcast to examine fiber laser welding

    Nashua, N.H. – Geoff Shannon, PhD, the laser technology manager of Miyachi Unitek, will give a free Webcast on fiber laser welding on Tuesday, August 24, at 2 pm EDT. Hosted by Industrial Laser Solutions for Manufacturing®, "Fiber Laser Welding : Technology , Capability and Application Opportunities" ...

    Online Articles

    Online Articles

    Thu, 19 Aug 2010

  3. Laser welding supplier Kuka sells systems to Spanish auto parts supplier

    Kuka Systems will build manufacturing lines incorporating remote laser welding technology for an unidentified Spanish car parts supplier.

    Online Articles

    Online Articles

    Thu, 9 Aug 2012

  4. Fiber laser welding Webcast to be held Tuesday, August 24

    Nashua, N.H. – A new Webcast, "Fiber Laser Welding : Technology , Capability and Application Opportunities," free to attendees, will be broadcast on August 24, 2010, at 2:00 pm EDT (11:00 am PDT, 6:00 pm GMT). Geoff Shannon, PhD , the laser technology manager of Miyachi Unitek, will present the ...

    Online Articles

    Online Articles

    Mon, 16 Aug 2010

  1. Laser joining steel

    Online Articles

    Online Articles

    Tue, 1 Feb 2005

  2. Branson Ultrasonics, Sono-Tek intro clear-on-clear plastic laser welding

    Medical molders wishing for a clear-on-clear welding solution finally have an answer. Branson Ultrasonics Corp. has teamed with Sono-Tek Corp., which specializes in ultrasonic spray systems for applying precise, thin film coatings, to use Clearweld additive technology from Gentex Corp. to create ...

    Online Articles

    Online Articles

    Thu, 7 Jul 2016

  3. Hybrid laser welding of rail coaches

    Italian manufacturer Tube Tech Machinery has signed a contract with the Czech Republic's Bombardier Transportation for a railway coach production plant.

    Online Articles

    Online Articles

    Wed, 18 Sep 2013

  4. Laser welding in commercial furniture manufacturing

    Over the past few years, the aesthetic appeal of display furniture design for retail stores has increased exponentially as a consequence of visual merchandising strategies.

    Magazine Articles

    Magazine Articles

    Mon, 27 Jan 2014

  5. Toyota Canada invests $421M for laser welding and metal stamping technology

    Toyota Motor Manufacturing Canada will invest $421 million in "state of the art" laser welding and metal stamping technology.

    Online Articles

    Online Articles

    Thu, 6 Aug 2015

  6. Laser cleaning prior to laser welding of aluminum alloys

    Laser welding of aluminum alloys often results in significant amount of porosity, thus very low joint strengths.

    Magazine Articles

    Magazine Articles

    Mon, 11 May 2015

  7. Lasers in flexible packaging

    Santa Clara, CA and St Paul, MN-The development of CO2 lasers with an output wavelength of 10.

    Magazine Articles

    Magazine Articles

    Thu, 1 Feb 2007

  8. Miyachi Unitek to sponsor webcast on fiber laser welding

    Monrovia, Calif. – Miyachi Unitek Corporation, a leading manufacturer of welding equipment and systems, announces that it will sponsor an online webcast on fiber laser welding, covering the technology’s capability and application opportunities. The webcast will be hosted by Industrial Laser ...

    Online Articles

    Online Articles

    Wed, 21 Jul 2010

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