Apparatus and method for thermally bonding a textile web

Details Apparatus and method for thermally bonding a textile web Apparatus and method for thermally bonding a textile web

1992-03-31

1994-03-29

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 624, 156 626, 156 628, 156180, 156181, 15624424, 15624427, 156276, 156433, 156437, 156437, 156441, 156500, 156501, 264109, 264113, 264123, B32B 3120

Patent

active

052980979

ABSTRACT:
An apparatus and method provides for thermally bonding a textile web while supporting the web continuously from the lay down point until the web is thermally bonded. The apparatus includes a heated transfer roll adjacent an endless moving belt. The transfer roll is located outside the belt loop on the opposite side of the belt from a guide roll. The belt passes around a first portion of the transfer roll with the web sandwiched between the belt and transfer roll. The heated transfer roll heats the web and the web is transferred to the transfer roll. The web is then directed through a nip formed by a calender roll positioned adjacent a second portion of the transfer roll for thermally bonding the web.

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Gilmore, Thomas F., Spunbond Web Formation Processes: A Critical Review presented at INSIGHT 90 Conference, Toronto, Oct., 1990.

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