Patent · US Expired

Device for double encasing a strand of material containing one or more waveguides

US4726750A · kind A · utility

2Cited by

13References

13Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Guenter Einsle · Munich, DE
Ernst Mayr · Starnberg, DE
Gernot Schoeber · Munich, DE
Wolfgang Schrey · Neustadt, DE

Key dates

Filing date	Feb 12, 1986
Grant date	Feb 23, 1988
Priority date	—
Expiry date	Feb 12, 2006

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29L2011/0075
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A device for encasing a rope-like strand containing one or more light waveguides, which device includes two extruders situated one after the other characterized by a fluid cooling device positioned between the two extruders for applying a cooling fluid to the external surface of a first layer applied by the first extruder to cool it prior to extruding a second layer thereon. The cooling device enables increasing the rate of travel of the rope-like strand during the extruding operation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.