A - Human Necessities – 44 – B
Patent
A - Human Necessities
44
B
A44B 18/00 (2006.01) A61F 13/56 (2006.01) B29C 43/22 (2006.01)
Patent
CA 2145289
The invention is a process for making a refastenable mechanical fastening system comprising the steps of providing a depositing member having at least one aperture having a diameter of between about 0.008 inch to about 0.040 inch; providing a molten thermally sensitive material having a storage modulus less than about 5000 dynes/centimeter2 at the application temperature and a storage modulus of at least about 1 x 10 6 dynes/centimeter2 at a temperature no more than 40 °C less than the application temperature; providing a substrate; forcing the molten thermally sensitive material through the aperture; depositing a discrete amount of the molten thermally sensitive material from the aperture onto the substrate; stretching a portion of the discrete amount of the molten thermally sensitive material in a direction having a vector component parallel to the plane of the substrate so as to form a prong; and solidifying the molten thermally sensitive material of the prong, the prong (22) having a base (26), a shank (28), and an engaging means (30), the engaging means (30) forming an included angle of at least 180°.
Procédé de fabrication pour un système d'attache mécanique réutilisable. Le procédé comprend : un alimentateur muni d'au moins une ouverture dont le diamètre se situe entre 0,008 et 0,040 pouce environ; un matériau thermosensible fondu présentant un module de conservation de moins de 5000 dyn/centimètre carré environ à la température d'application et un module de conservation d'au moins environ 1 x 10 6 dyn/centimètre carré à une température ne dépassant pas 40 degrés Celsius de moins que la température d'application et un substrat. Il s'agit : de forcer le matériau thermosensible fondu à travers l'ouverture pour en déposer une petite quantité sur un substrat; d'étirer une partie de ce matériau fondu dans une direction présentant une composante de vecteur parallèle au plan du substrat afin de former une griffe; de solidifier le matériau thermosensible fondu constituant la griffe. Cette dernière (22) comporte une base (26), une tige (28) et un organe de préhension (30) formant un angle d'ouverture d'au moins 180 degrés.
Goulait David Joseph Kenneth
Thomas Dennis Albert
Sim & Mcburney
The Procter & Gamble Company
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