Difference between revisions of "Velcro"

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== Description ==
 
== Description ==
  
[Velcro USA Inc.] A registered trademark for a reclosable fastener system first patented in 1952 (U.S.) 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 invented by George de Mestral, a Swiss inventor after he closely examined a cockleburs's ability to stick to clothing and fur. Mestral formed Velcro S.A in Switzerland in 1952 and received his first set of patents for Velcro in 1954. 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 various hook designs in order to provide variations in lifetime vs. strength.  For example, for two types of hook systems called flexible and molded. The flexible 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.
  
 
==Synonyms and Related Terms==
 
==Synonyms and Related Terms==
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== Resources and Citations ==
 
== Resources and Citations ==
 
* Velcro: [https://www.velcro.com/ Website]  
 
* Velcro: [https://www.velcro.com/ 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.
 
* K.Leath, M.Brooks "Velcro and other Hook and Loop Fasteners: A Preliminary Study of Their Stability and Ageing Characteristics", TCN p.5-11.
 
 
* Rachael Perkins Arenstein, Lisa Goldberg, and Eugenie Milroy, ‘Support and Rehousing for Collection Storage’ In ‘Preventive Conservation: Collection Storage’ Lisa Elkin and Christopher A. Norris (eds.), Society for the Preservation of Natural History Collections, New York. 2019.  
 
* Rachael Perkins Arenstein, Lisa Goldberg, and Eugenie Milroy, ‘Support and Rehousing for Collection Storage’ In ‘Preventive Conservation: Collection Storage’ Lisa Elkin and Christopher A. Norris (eds.), Society for the Preservation of Natural History Collections, New York. 2019.  
 
 
* Hermann Kuhn, ''Conservation and Restoration of Works of Art and Antiquities'', Butterworths, London, 1986
 
* 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
 
* ''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
 
* ''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
 
* Meredith Montague, contributed information, 1998
 
 
* Teri Hensick, contributed information, 1998
 
* Teri Hensick, contributed information, 1998
 
 
* Website: www.hants.org.uk/museums/ofr/cmeth_t.html
 
* Website: www.hants.org.uk/museums/ofr/cmeth_t.html
 
 
* AMOL reCollections Glossary at http://amol.org.au/recollections/7/c/htm
 
* AMOL reCollections Glossary at http://amol.org.au/recollections/7/c/htm
  
  
 
[[Category:Materials database]][[Category:MWG]][[Category:Physical Fastener]]
 
[[Category:Materials database]][[Category:MWG]][[Category:Physical Fastener]]

Revision as of 12:07, 28 July 2024

Velcro

Description

[Velcro USA Inc.] A registered trademark for a reclosable fastener system invented by George de Mestral, a Swiss inventor after he closely examined a cockleburs's ability to stick to clothing and fur. Mestral formed Velcro S.A in Switzerland in 1952 and received his first set of patents for Velcro in 1954. 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 various hook designs in order to provide variations in lifetime vs. strength. For example, for two types of hook systems called flexible and molded. The flexible 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.

Synonyms and Related Terms

Similar products: TouchTape [TouchTape, Inc.]; Aplix [Aplix, Corp.]; Dura-Grip pads

Applications

Velcro
  • Fasteners for packages, containers and rolled items

Collection Risks

Nylon becomes brittle when exposed to extremely cold temperatures or ultraviolet light. Any pressure sensitive adhesive should be pH neutral and may fail over time.

Resources and Citations

  • 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.
  • Rachael Perkins Arenstein, Lisa Goldberg, and Eugenie Milroy, ‘Support and Rehousing for Collection Storage’ In ‘Preventive Conservation: Collection Storage’ Lisa Elkin and Christopher A. Norris (eds.), Society for the Preservation of Natural History Collections, New York. 2019.
  • 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: www.hants.org.uk/museums/ofr/cmeth_t.html
  • AMOL reCollections Glossary at http://amol.org.au/recollections/7/c/htm

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