Product 01

Differentiated Technology

This technology is about WINDFREE, a ventilated umbrella that does not damaged by strong winds.

Key Features
  • Feature 1 (Ventilation)

    The pressure inside the umbrella is lowered by discharging it to the outside through the ventilation passage formed inside the umbrella shaft.

  • Feature 2
    (Velcro Cable Ties)

    Velcro cable tie fastens a canopy and ribs to protect the canopy from being damaged by a strong wind at 90km/h (25m/s) inside the umbrella

  • Feature 3
    (Removable Top)

    With a removable umbrella top, a user can assemble, disassemble, and repair each part of the umbrella by removing the Velcro cable tie from the umbrella canopy.

Product Image

Air vent umbrella, WINDFREE

Half sectional view of the top of WINDFREE

Inside view of WINDFREE’s fabric with
Velcro Cable Tie (3 per rib)

DIY (Do It Yourself)

With a removable umbrella top, a user can assemble, disassemble, and repair each part of the umbrella by removing the Velcro cable tie from the umbrella canopy.

Operating principle

By discharging the pressure inside the umbrella to the outside through the ventilation passage formed inside the umbrella shaft, thereby lowering the pressure and damage to the umbrella can be prevented even in typhoons.

Packing initial state

Packing open state

Excellence of technology
Test results

WINDFREE is resistant to strong winds of 90km/h (25m/s) inside

Test method

① Fasten the WINDFREE and existing products to the bars set up at the truck cargo

② Install 2 smartphones to record the speedometer at the driver’s seat and umbrellas atthe cardo

③ For synchronization, honk the horn of the truck before departure so that the smartphones record the horn sound

④ Accelerate the truck up to 100km/h to blow strong wind inside of the canopy

⑤ Analyze and evaluate the 2 video recorded.
(Programs used for video sync and analysis : Movavi Video Editor Plus 2021)

  • Driving Test
  • 90km/h
  • 100km/h