Method of making a lasted skate boot
US8329083B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2010 |
| Grant date | Dec 11, 2012 |
| Priority date | — |
| Expiry date | Jul 12, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29D35/126
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of making a lasted skate boot comprising: (a) providing a male-female mold having male and female sections for defining a mold cavity therebetween, the male section having sides, a rear portion and a bottom portion for defining a three dimensional shape corresponding to the external three dimensional shape of the foot, the female section defining a recess for receiving the male section, the male section comprising a plurality of inner channels for admitting liquid plastic material in the mold cavity; (b) providing a pre-cut sheet made of cloth material laminated to a support made of non-woven fabric; (c) placing the sheet on the male section of the mold such that the non-woven fabric contacts the sides and rear portion of the male section of the mold; (d) closing the male and female sections of the mold; (e) injecting liquid plastic material in the inner channels such that the liquid plastic material spreads on the sheet, pushes the sheet against the recess of the female section of the mold, fills the mold cavity and fuses with the non-woven fabric to form, after cooling, an outer shell comprising a heel portion for surrounding the heel, an ankle portion for surrounding th…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.