Astm D 3810 – 97 (Reapproved 2002) pdf free download

Standard Test Method for
Minimum Application Torque of Type IA Child-Resistant
Closures1

This standard is issued under the fixed designation D 3810; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.

1. Scope

1.1 This test method covers the determination of or the
recommendation for minimum application torque that results in
a fully degraded removal torque that is at a level greater than
the maximum expected reverse-ratchet torque for a Type IA
child-resistant closure. (See Classification D 3475).

1.2 This test method provides a procedure that will assure
the maintenance of the respective child-resistant properties of
Type IA child-resistant closures.

1.3 A major limitation to the determination of minimum
application torque of Type IA child-resistant closures is because many cappers lack the capability for measuring closure
application torques; therefore, minimal recommendations derived from this method are, of necessity, defined in terms of the
immediate removal torques.

1.4 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents

2.1 ASTM Standards:
D 3198 Test Method for Application and Removal Torque
of Threaded or Lug-Style Closures2
D 3472 Test Method for Reverse-Ratchet Torque of Type
IA Child-Resistant Closures2
D 3474 Practice for the Calibration and Use of Torque
Meters Used in Packaging Applications2
D 3475 Classification of Child-Resistant Packages2
2.2 Other Standards:
16 CFR 1700 Title 16—Commercial Practices, Chapter
II—CPSC, Subchapter E, Poison Prevention Packaging
Act of 1970 Regulations, Part 1700—Poison Prevention
Packaging3

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