Patent ID: 7641218

Claim:
A gas bag blank ( 10 ; 100 ) including: a first, a second and a third side section ( 12 , 14 , 16 ; 112 , 114 ; 116 ), together forming a two-dimensional gas bag blank, the first side section ( 12 ; 112 ) being connected to the second side section ( 14 ; 114 ) via a common side edge ( 18 ; 118 ) forming a first edge fold line ( 18 k ; 118 k ), and the second side section ( 14 ; 114 ) being connected to the third side section ( 16 ; 116 ) via a common side edge ( 20 ; 120 ) forming a second edge fold line ( 20 k ; 120 k ), and one surface fold line ( 12 s , 14 s , 16 s ; 112 s , 114 s , 116 s ) extending on the surface of each section ( 12 , 14 , 16 ; 112 , 114 , 116 ), the surface fold lines ( 12 s , 14 s , 16 s ; 112 s , 114 s , 116 s ) forming an acute angle with the respective adjacent edge fold lines ( 18 k , 20 k ; 118 k , 120 k ), a bottom partial section ( 12 u ; 112 u ) of the first side section ( 12 , 112 ) comprising a mirror-inverted shape with respect to a bottom partial section ( 14 u ; 114 u ) of the second side section ( 14 ; 114 ), a top partial section ( 140 ; 1140 ) of the second side section ( 14 ; 114 ) comprising a mirror-inverted shape with respect to a top partial section ( 16 o ; 116 o ) of the third side section ( 16 ; 116 ), and a bottom partial section ( 16 u , 116 u ) of the third side section ( 16 ; 116 ) comprising a mirror-inverted shape with respect to a top partial section ( 12 o ; 112 o ) of the first side section ( 12 ; 112 ).