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    ASTM D7257-06(2011)

    Standard Test Method for Automated Shelling Two-Piece Child-Resistant Closures That Are Activated by Two Simultaneous Dissimilar Motions (Withdrawn 2018)

    Withdrawn Standard: ASTM D7257-06(2011) | Developed by Subcommittee: F02.25


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    Withdrawn Rationale:

    This test method covered the measurement of the force required to separate (or "shell") the snap-fitted outer cap from the inner cap of Type IA, IB, or IC child-resistant closures.

    Formerly under the jurisdiction of Committee F02 on Primary Barrier Packaging, this test method was withdrawn in May 2018. This standard is being withdrawn without replacement due to its limited use by industry.

    1. Scope

    1.1 This test method covers the measurement of the force required to separate (or shell) the snap-fitted outer cap from the inner cap of Type IA, IB, or IC child-resistant closures. See Practice D3475.

    1.2 This test method is an alternative to Test Method D3481, a manual test procedure.

    1.3 This test method does not measure the force required to separate parts of a child-resistant closure system that were originally screwed-on instead of snapped-on (for example, pull a cap over or through continuous or multi-start threads when the cap was originally screwed on).

    1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

    1.5 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 (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D3474 Practice for Calibration and Use of Torque Meters Used in Packaging Applications

    D3475 Classification of Child-Resistant Packages

    D3481 Test Method for Manual Shelling Two-Piece Child-Resistant Closures That Are Activated by Two Simultaneous Dissimilar Motions

    E105 Practice for Probability Sampling of Materials

    E122 Practice for Calculating Sample Size to Estimate, With Specified Precision, the Average for a Characteristic of a Lot or Process


    Referencing This Standard
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    DOI: 10.1520/D7257-06R11

    Citation Format

    ASTM D7257-06(2011), Standard Test Method for Automated Shelling Two-Piece Child-Resistant Closures That Are Activated by Two Simultaneous Dissimilar Motions (Withdrawn 2018), ASTM International, West Conshohocken, PA, 2011, www.astm.org

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