Resin aids ski-boot closure at low temperatures
A
DuPont (UK) product story
Edited by the Engineeringtalk editorial team
Jan 30, 2003
Two stars of the latest winter sports range from Benetton, the Nordica Smartech 10 and 12 ski boot models, feature new closure systems called the Total Fit System (TFS) and Ready Lock.
Two stars of the latest winter sports range from Benetton, the Nordica Smartech 10 and 12 ski boot models, feature new closure systems called the Total Fit System (TFS) and Ready Lock.
The closure systems, which make these ski boots much easier to put on and take off than previous models, are protected by housings made of DuPont Delrin ST (super tough) and T (tough) acetal resins, respectively.
The company selected DuPont's Delrin super tough acetal resin for the housings because the material can be ultrasonically welded in common with the rest of the closure systems.
The acetal resin was also selected for its very low friction coefficient, its outstanding mechanical resistance and its dimensional stability.
Delrin also displays excellent low temperature resistance to -20C, which means that the closure system will perform well - even in very cold conditions.
The TFS is a servo-assisted closure system that entails just one forefoot locking action.
Relax position is obtained by simply pressing a button.
Meanwhile, the Ready Lock device enables modular closing of the cuff with the minimum of effort.
After the boot is on, the device automatically returns the flaps to the overlapped position, making the overall closing procedure very much easier.
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