Pacifiers欧美安抚奶嘴的测试对比
16CFR1511 C.R.C.,
慧律法师六祖坛经c.930 GUARD / SHIELD REQUIRMENTS
Refer to 1511.3 (a)
Place the pacifier in the opening of the fixture illustrated in Figure 1 (a) of this part so that the nipple of the pacifier is centered in the opening and protrudes through the back of the fixture as shown in Figure 1(b).
For pacifiers with non-circular guards or shields, align the major axis of the guard or shield with the major axis of the opening in the fixture. Refer to Clau 6 (b) (i)
The nipple is attached to a guard or shield of such dimensions that it cannot pass through the opening in the template illustrated in Schedule I when the nipple is centered on the opening and
Apply a tensile force to the pacifier nipple in the
direction shown.
The force shall be applied gradually attaining but not
exceeding 2.0 pounds (8.9 newtons) within a period of 5
conds
and maintained at 2.0 pounds for an additional 10
conds.
a load of 2.2 pounds is applied axially to the nipple
Any pacifier which can be completely drawn through an opening with dimensions no greater than tho of Figure 1 (a) by such a force shall fail the test in this part. in such a way as to induce the guard or shield to pull through the opening in the template.
GUARD / SHIELD VENTILATION REQUIRMENTS Refer to 1511.3 (b)Ventilation holes
The pacifier guard or shield shall contain at least two holes symmetrically located
and each being at least 0.20 inches (5millimeters) in minor dimension.
The edge of any hole shall be no clor than 0.20 inches (5 millimeters) to the perimeter of the pacifier guard or shield.
PROTRUSIONS
c罗英文名Refer to 1511.4 (a) Protrusions limitation
No protrusion from the face of the guard or shield opposite from the nipple
五个字名字shall exceed 0.63 inches (16mm) when measured in accordance with the procedure specified in paragraph (b) of this ction.
Refer to 1511.4 (b) Protrusion test
Secure the pacifier by clamping the nipple with its axis horizontal. For pacifiers with hinged handles or rings the orientation of the hinge axis shall be horizontal.
A plane surface shall be applied to any protrusion from the guard or shield with a force gradually attaining but not exceeding 2.0 pounds (8.9 newtons) applied in a direction along the axis of the nipple.
The normal of the plane surface shall be maintained parallel to the axis of the nipple.
Any protrusion shall be allowed to flex or rotate about its hinge as the plane surface is applied to it. Measure the distance from the plane surface to the guard or shield at the ba of the nipple.
STRUCTURAL INTEGRITY TESTS
Refer to 1511.5 (a) Nipple.
数学书答案
Hold the pacifier by the shield or guard, grasp the nipple end of the pacifier
and gradually apply a tensile force to the pacifier nipple in any possible direction.
The force shall be applied gradually, attaining but not exceeding 10.0 pounds (44.5 newtons) within a period of 5 conds
and maintained at 10.0 pounds for an additional 10 conds. Refer to Schedule II (3)
Hold the guard or shield of the pacifier in a fixed position.
Apply a load 10 ± 0.25 pounds in the plane normal to the axis of the nipple to the nipple of the pacifier
创意广告at a rate of 1 ± 0.25 pounds per cond
and maintain the final load for 10 ± 0.5 conds.
Refer to 1511.5 (b) Handle or ring.
Hold the pacifier by the shield or guard or ba of the nipple,
and push or pull on the handle or ring in any possible direction.中国十大高端女装品牌
The force shall be applied gradually attaining but not exceeding 10.0 pounds (44.5 newtons) within a period of 5 conds
and maintained at 10.0 pounds for an additional 10 conds. Refer to Schedule II (2)
Hold the guard or shield of the pacifier in a fixed position.
Apply a load 10 ± 0.25 pounds in the plane normal to the axis of the nipple to the handle of the pacifier
at a rate of 1 ± 0.25 pounds per cond
and maintain the final load for 10 ± 0.5 conds.
Refer to Schedule II (1)
Hold the nipple of the pacifier in a fixed position. Apply a load 10 ± 0.25 pounds in the plane of the axis of the nipple to the handle of the pacifier
介绍一个东西at a rate of 1 ± 0.25 pounds per cond
and maintain the final load for 10 ± 0.5 conds.
TEST CYCLES AND CRITERIA
Refer to 1511.5 (c) Heat cycle deterioration.
After the testing prescribed in paragraphs (a) and (b) of this ction, all pacifiers shall be subject to the following:医院里
