Self-propelled fastening unit and method for fastening sealing webs
US10474126B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 1, 2018 |
| Grant date | Nov 12, 2019 |
| Priority date | — |
| Expiry date | May 22, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/49032
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for fastening material webs, such as roofing sheets made of plastic on a surface with fastening points (head disks including a hot-melt adhesive layer) arranged thereon using a self-propelled fastening unit (20) comprising the following steps: (A) detecting a route marking by means of a first detector (22) on the fastening unit (20) and moving the fastening unit along the route marking; (B) detecting and calculating the position of a head disk (14) by means of a second detector (24); (C) approaching and remaining at an operating position during the subsequent fastening process; (D) positioning an induction heater (30) and heating up the head disk (14) for a period of time Th; (E) removing the induction heater (30) and pressing the material web against the head disk by a cooling device (32); (F) taking off the cooling device after a predetermined time Tk has passed; (G) continuing with (A), until an end of the route marking is reached.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.