US 12,065,792 B2
Helideck safety net
Robert Wesley Schlipper, Western District (HK)
Assigned to MRM HK Limited, Western District (HK)
Filed by MRM HK LIMITED, Western District (HK)
Filed on Oct. 24, 2022, as Appl. No. 17/971,787.
Application 17/971,787 is a continuation of application No. PCT/CN2021/089417, filed on Apr. 23, 2021.
Prior Publication US 2023/0058229 A1, Feb. 23, 2023
Int. Cl. E04G 21/32 (2006.01); E01F 3/00 (2006.01)
CPC E01F 3/00 (2013.01) 18 Claims
OG exemplary drawing
 
1. A helideck safety net including:
a net elongated in a longitudinal direction, the net formed of lengths of line arrayed in the longitudinal direction alongside one another, wherein adjacent lengths of the lengths of line are joined at intervals to form cells of the net, wherein a longitudinal row of cells is formed on longitudinal edges of the net and the longitudinal edges are joined by at least one end edge, wherein an end row of cells is formed along the at least one end edge,
at least one spreader bar, each said at least one spreader bar adapted to pass through the cells of a respective end row of cells, and
an edge line adapted to secure the net inside a perimeter frame by being wound generally helically in loops around the perimeter frame, whereby along the longitudinal rows of cells each said loop passes through a cell of the longitudinal rows of cells, and along the end rows of cells each said loop passes through a cell of the end rows and simultaneously inside the at least one spreader bar to secure the spreader bar to the perimeter frame, wherein the at least one spreader bar includes an array of openings through which the edge line can be threaded to fix the ends of the edge line.