Petzl Croll
Encyclopedia
A petzl croll is an ascending device used in caving and industrial rope access made by the French company Petzl
. Its name comes from the town Crolles
where Petzl's company headquarters are located but might also be a reference to the nearby cave system of the Dent de Crolles
, The exploration of which triggered a lot of technical effort leading to innovation in caving equipment.
. This configuration allows a climber, caver or rope access worker to rapidly ascend a rope.
, who worked as a metals machinist, to build a rope-ascending tool, today known as the Petzl Croll, that he had developed by adapting the Jumar
to the specificity of pit caving. Following these developments, Fernand Petzl started in the 1970s a small caving equipment manufacturing company Petzl
.
Petzl
Petzl is a world leading manufacturer of climbing gear, caving gear, work-at-height equipment, and headlamps based in Crolles , France. The company was created by the cave explorer Fernand Petzl in the mid-1970s...
. Its name comes from the town Crolles
Crolles
Crolles is a commune in the Isère department in south-eastern France. It is located in the Isère valley, 20 km north-east of Grenoble, upstream on the Isère River...
where Petzl's company headquarters are located but might also be a reference to the nearby cave system of the Dent de Crolles
Dent de Crolles
The Dent de Crolles is a karstic mountain of the Chartreuse Mountains range, 17 km north east from Grenoble, Isère . It has a characteristic "tooth-like" profile which is well-known sight of the Isère Valley seen from the Grenoble area...
, The exploration of which triggered a lot of technical effort leading to innovation in caving equipment.
Usage
The Croll is normally used in the chest position and in conjunction with an upper ascender or JumarJumar
An ascender is a mechanical device used for ascending on a rope. One such device is a Jumar, named after the Swiss factory which developed the first tool for sale in 1958. The device's name also leads to the term Jumaring for the process of using such a device...
. This configuration allows a climber, caver or rope access worker to rapidly ascend a rope.
History
In 1968 Bruno Dressler asked Fernand PetzlFernand Petzl
Fernand Petzl was a caver and manufacturer of outdoor equipment under the brand name Petzl.Petzl lived most of his life in the village of Saint-Ismier , France at the foot of the mountain Dent De Crolles. He first went caving in Trou du Glaz in 1933, and was immediately captivated by the idea of...
, who worked as a metals machinist, to build a rope-ascending tool, today known as the Petzl Croll, that he had developed by adapting the Jumar
Jumar
An ascender is a mechanical device used for ascending on a rope. One such device is a Jumar, named after the Swiss factory which developed the first tool for sale in 1958. The device's name also leads to the term Jumaring for the process of using such a device...
to the specificity of pit caving. Following these developments, Fernand Petzl started in the 1970s a small caving equipment manufacturing company Petzl
Petzl
Petzl is a world leading manufacturer of climbing gear, caving gear, work-at-height equipment, and headlamps based in Crolles , France. The company was created by the cave explorer Fernand Petzl in the mid-1970s...
.
Standards
- EN 567 This standard allows the Croll to be used by IRATA qualified technicians.
- EN 12841
- CE 0197