Document ID: chunk:federal_register_of_legislation:F2019C00042:front:0:p55
Version: federal_register_of_legislation:F2019C00042
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Character Range: 149069–152598

of safety‑belts or restraint systems, the stopping device shall be at the same temperature as during the calibration test, with a tolerance of + 2 °C. The requirements to be met by the stopping device are given in Annex 8 to this Regulation. Any other device giving equivalent results may be used.

         Table 1

CHARACTERISTICS OF THE ABSORBING MATERIAL

(ASTM Method D 735 unless otherwise stated)

Shore hardness A                                 :  95 + 2 at 20 + 5 °C temperature
Breaking strength                                :  RBoB > 343 daN/cmP2
Minimum elongation                               :  ABoB > 400 per cent
Module at 100 per cent elongation                :  > 108 daN/cmP2
at 300 per cent elongation                       :  > 235 daN/cmP2
Low‑temperature brittleness (ASTM Method D 736)  :  5 hours at ‑55 °C
Compression set (Method B)                       :  22 hours at 70 °C < 45 per cent
Density at 25 °C                                 :  between 1.05 and 1.10

P
 P
Ageing in air (ASTM Method D 573)
 70 hours at 100 °C                        -  Shore‑A‑hardness:   max variation + 3
                                           -  breaking strength:  decrease < 10 per cent of RBo
                                           -  elongation:         decrease < 10 per cent of ABo
                                           -  mass:               decrease < 1 per cent

Immersion in oil (ASTM Method No. 1 Oil):
 70 hours at 100 °C                        -  Shore‑A‑hardness:   max variation + 4
                                           -  breaking strength:  decrease < 15 per cent of RBo
                                           -  elongation:         decrease < 10 per cent of ABo
                                           -  volume:             swelling < 5 per cent

Immersion in oil (ASTM Method No. 3 Oil):
 70 hours at 100 °C                        -  breaking strength:  decrease < 15 per cent of RBo
                                           -  elongation:         decrease < 15 per cent of ABo
                                           -  volume:             swelling < 20 per cent
Immersion in distilled water:
 1 week at 70 °C                           -  breaking strength:  decrease < 35 per cent of RBo
                                           -  elongation:         increase < 20 per cent of ABo

Figure 1

 TROLLEY, SEAT, ANCHORAGE

Figure 2

STOPPING DEVICE
(Assembled)

Figure 3

STOPPING DEVICE
(Polyurethane tube)

Figure 4

STOPPING DEVICE
(Olive-shaped knob)

                                  Surface finish    Interference tolerance ± 0.1

                                  Annex 7

DESCRIPTION OF MANIKIN

         1. Specifications of the manikin

         1.1. General

         The main characteristics of the manikin are illustrated in the following figures and tables:

         Figure 1 Side view of head, neck and torso;

         Figure 2 Front view of head, neck and torso;

         Figure 3 Side view of hip, thighs and lower leg;

         Figure 4 Front view of hip, thighs and lower leg;

         Figure 5 Principal dimensions;

         Figure 6 Manikin in sitting position, showing:

                  location of the centre of gravity;

                  location of points at which displacement shall be measured; and

                  shoulder height.

         Table 1 References, names, materials and principal dimensions of  components of the manikin; and

         Table 2 Masses of head, neck, torso, thighs and