ASTM D4334-99
(Test Method)Standard Test Method for the Determination of the Dip Tube Retention of a Mechanical Pump Dispenser
Standard Test Method for the Determination of the Dip Tube Retention of a Mechanical Pump Dispenser
SCOPE
1.1 This test method covers the determination of the force necessary to separate the dip tube from the body of a mechanical pump dispenser.
1.2 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 to determine the applicability of regulatory limitations prior to use.
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn. Contact ASTM
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Designation:D4334–99
Standard Test Method for the
Determination of the Dip Tube Retention of a Mechanical
Pump Dispenser
This standard is issued under the fixed designation D 4334; 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 4.2.2 Clamp, to secure the dip tube. The clamp shall hold
the dip tube in such a way that there is no slippage between the
1.1 This test method covers the determination of the force
dip tube and the clamp.
necessary to separate the dip tube from the body of a
4.2.3 Arrange the fixturing so that the tube is maintained in
mechanical pump dispenser.
a position parallel to, and within the colinear plane of, the
1.2 This standard does not purport to address all of the
applied force.
safety concerns, if any, associated with its use. It is the
4.3 Scale, graduated in either millimetres or inches.
responsibility of the user of this standard to consult and
establish appropriate safety and health practices and deter-
5. Sampling
mine the applicability of regulatory limitations prior to use.
5.1 Select an appropriate number of dry, unused pump
2. Referenced Documents dispensers at random for precision and accuracy desired. Use
of 10 test specimens is recommended, but a minimum of three
2.1 ASTM Standards:
is acceptable.
D 618 Practice for Conditioning Plastics and Electrical
Insulating Materials for Testing
6. Conditioning
3. Significance and Use 6.1 If possible, condition the test specimens at 23 6 3°C (73
6 5.4°F) for not less than 4 h. If the test specimens are not
3.1 This test method may be used to establish performance
conditioned at the recommended temperature, this should be
specifications.
noted in the test report (see 8.1).
3.2 This test method may be used as a quality control
assessment.
NOTE 3—It is suggested that newly-made samples be allowed to sit for
a minimum of 24 h after assembly before retention testing begins.
4. Apparatus
7. Procedure
4.1 Test Stand—The test apparatus shall be capable of
applying a smoothly increasing load to the test specimen until 7.1 Attach fixtures and clamp to the test standard in accor-
the dip tube is separated from the body of the mechanical pump dance with the manufacturer’s instructions and in a manner
dispenser. consistent with the pump’s geometry.
7.2 Insert the dip tube approximately 12 to 18 mm into the
NOTE 1—The condition of 4.1 is fulfilled by most motor driven tensile
clamp and tighten to prevent slippage.
strength testers with a constant rate of elongation.
7.3 Adjust the test stand so that there is 25 mm of exposed
NOTE 2—The test stand should be equipped with a maximum force
dip tube length.
indicator.
4.2 Clamps:
NOTE 4—At this time, there should be a zero reading on the force gage.
4.2.1 Fixture, to secure the upper part of the mechanical
7.4 Operate the test stand at 250 mm (10 in.)/min until the
pump dispenser. The fixture shall secure the dispenser in such
dip tube has separated either from the pump dispenser, broken,
a way that there is no slippage between it and the test
slipped from the jaws, or reached the limit of cross-head travel.
specimen.
If the recommended cross-head speed is not used, record
cross-head speed (see 8.1).
7.5 Recor
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4.1 These test methods provide a measure of a shipping container's ability to protect a product from failure due to horizontal impacts. These measures are based on controlled levels of shock input and may be used for arriving at the optimum design of a container or system to protect a product against a specified level of shipping environment hazard.
4.2 These test methods provide a measure of a packaged product's ability to withstand the various levels of shipping environment hazards. These measures may be used to prescribe a mode of shipping and handling that will not induce damage to the packaged product or to define the required levels of protection that must be provided by its packaging.
4.3 Test Method A is intended to simulate the rail car coupling environment. Refer to Methods D5277 for simulating the standard draft gear portion of that environment.
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1.1 These test methods are intended to determine the ability of a package or product to withstand laboratory simulated horizontal impact forces.
1.2 The horizontal impacts used in these test methods are programmed shock inputs that represent the hazards as they occur in the shipping and handling environments. The environmental hazards may include rail switching impacts, lift truck marshalling impacts, and so forth. The following test methods apply:
1.2.1 Method A, Rail Car Switching Impact—This test method simulates the types of shock pulses experienced by lading in rail car switching, with the use of a rigid bulkhead on the leading edge of the test carriage, to simulate the end wall of a railcar and shock programming devices to produce representative shock pulses. With the use of backloading, this test method may also be used to simulate compressive forces experienced by lading loads during rail car switching. It is suitable for tests of individual containers or systems as they are shipped in rail cars. It may also be used to evaluate the effectiveness of pallet patterns to determine the effect of interaction between containers during rail switching operation impacts.
1.2.2 Method B, Marshalling Impact Tests of Unit Loads—This test method assesses the ability of unit loads to withstand the forces encountered during marshalling or loading operations.
1.3 The test levels may be varied to represent the mode on shipping and handling used for the item under test.
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.
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