Difference between revisions of "Velcro"

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(Sources Checked for Data in Record)
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== Description ==
 
== Description ==
  
[Velcro USA Inc.] A registered trademark for a reclosable fastener system patented in 1948 by George de Mestra, a Swiss inventor (patent expired in 1978). Velcro® is a two-component [[nylon_resin|nylon]] system in which one component has hooks and the other has loops. When pressed together, the Velcro® hooks firmly grasp the loops. The two components may be separated by pulling. Velcro® produces two types of hook systems: flexible and molded. The flexible woven hooks provide maximum cycle life while the molded hooks provide maximum fastening strength with limited cyclability. Velcro® fasteners work effectively in temperatures ranging from -56C (-70F) to 93C (200F). The fasteners may be attached to substrates by sewing, heat sealing or pressure sensitive adhesives. Factory applied pressure-sensitive adhesives can be [[acrylic_adhesive|acrylic]], [[rubber cement|rubber]], or [[polyurethane|polyurethane]] based materials.
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[Velcro USA Inc.] A registered trademark for a reclosable fastener system first patented in 1952 by George de Mestra, a Swiss inventor (patent expired in 1978). Velcro® is a two-component [[nylon_resin|nylon]] system in which one component has hooks and the other has loops. When pressed together, the Velcro® hooks firmly grasp the loops. The two components may be separated by pulling. Velcro® produces two types of hook systems: flexible and molded. The flexible woven hooks provide maximum cycle life while the molded hooks provide maximum fastening strength with limited cyclability. Velcro® fasteners work effectively in temperatures ranging from -56C (-70F) to 93C (200F). The fasteners may be attached to substrates by sewing, heat sealing or pressure sensitive adhesives. Factory applied pressure-sensitive adhesives can be [[acrylic_adhesive|acrylic]], [[rubber cement|rubber]], or [[polyurethane|polyurethane]] based materials.
  
 
[[File:Velcro hooks_Nanoworld.jpg|thumb|Velcro]]
 
[[File:Velcro hooks_Nanoworld.jpg|thumb|Velcro]]

Revision as of 18:36, 1 December 2019

Velcro

Description

[Velcro USA Inc.] A registered trademark for a reclosable fastener system first patented in 1952 by George de Mestra, a Swiss inventor (patent expired in 1978). Velcro® is a two-component nylon system in which one component has hooks and the other has loops. When pressed together, the Velcro® hooks firmly grasp the loops. The two components may be separated by pulling. Velcro® produces two types of hook systems: flexible and molded. The flexible woven hooks provide maximum cycle life while the molded hooks provide maximum fastening strength with limited cyclability. Velcro® fasteners work effectively in temperatures ranging from -56C (-70F) to 93C (200F). The fasteners may be attached to substrates by sewing, heat sealing or pressure sensitive adhesives. Factory applied pressure-sensitive adhesives can be acrylic, rubber, or Polyurethane based materials.

Velcro

Hazards and Safety

Nylon becomes brittle when exposed to extremely cold temperatures or ultraviolet light.

Additional Information

Velcro: Website

K.Leath, M.Brooks "Velcro and other Hook and Loop Fasteners: A Preliminary Study of Their Stability and Ageing Characteristics", TCN p.5-11

Sources Checked for Data in Record

  • Hermann Kuhn, Conservation and Restoration of Works of Art and Antiquities, Butterworths, London, 1986
  • Caring for your Collections, Arthur W Schulz (ed.), Harry N. Abrams, Inc. , New York, 1992
  • Fairchild's Dictionary of Textiles, Phyllis G.Tortora, Robert S. Merkel (eds.), Fairchild Publications, New York City, 7th edition, 1996
  • Meredith Montague, contributed information, 1998
  • Teri Hensick, contributed information, 1998
  • Website address 1 Comment: www.hants.org.uk/museums/ofr/cmeth_t.html

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