DEVICE AND METHOD FOR APPLYING COVER SHEETS TO ENDS OF CUTS OF HOSES FORMED INTO CROSS-SHAPED BOTTOMS Russian patent published in 2023 - IPC B31B70/00 B31B70/04 B31B70/14 B31B70/60 B31B70/64 B31B70/81 B29C65/10 B29C65/78 B29C69/00 B31B150/00 B31B160/20 

Abstract RU 2792766 C2

FIELD: covering devices.

SUBSTANCE: device (15) and a method for applying cover sheets (9) to cross-shaped bottoms (3) of cuts (2) of hoses made of plastic material. Device (15) includes feeders (4, 20) for transporting hose cuts (2) and for applying cover sheets (9) to cross-shaped bottoms (3) in the laying area (23). In addition, the device (15) includes a hot gas device (24) with a gas heater (30) and a nozzle (32) connected to the gas heater (30) directed towards the laying area (23) for cover sheets (9), wherein when gas is supplied to the gas heater (30), the gas flows along the flow path (33) from the gas supply through the gas heater (30) and nozzle (32) to the laying area (23). The hot gas device (24) has a hot gas reservoir (31) with an internal volume (36) for temporary hot gas storage, the flow path (33) passing through the hot gas reservoir (31).

EFFECT: mass flow of the gas supplied to the gas heater (30) can be controlled by the control system (34).

13 cl, 5 dwg

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RU 2 792 766 C2

Authors

Grill, Hannes

Grabenweger, Markus

Dates

2023-03-23Published

2019-11-28Filed