EN 27965-1:1992

Packaging - Sacks - Drop test - Part 1: Paper sacks (ISO 7965-1:1984)

Principle: The filled sack is raised above a rigid plane surface and released to strike this surface after free fall, the atmospheric conditions, the height of drop and the position of the package being set in advance. Various kinds of dropping are described. Test methods with progressive and constant drop height and limit height are specified. Annexes show examples of apparatus for drop testing, identification of surfaces of sacks and example of format for a drop test report.

Packmittel - Säcke - Stoßprüfung im freien Fall - Teil 1: Papiersäcke (ISO 7965-1:1984)

Emballages - Sacs - Essai de chute - Partie 1: Sacs en papier (ISO 7965-1:1984)

La présente partie de l'ISO 7965 spécifie une méthode d'essai de résistance au choc vertical de sacs en papier pleins lâchés en chute libre. Un tel essai peut être effectué en tant qu'essai isolé destiné à étudier les effets du choc vertical, ou bien en tant que partie d'une série d'essais destinés à mesurer la capacité d'un sac à résister aux conditions d'un système de distribution comprenant un risque de choc vertical. La présente partie de l'ISO 7965 spécifie le mode opératoire et la façon dont il convient de présenter les résultats des essais. Elle est basée sur l'ISO 2248 mais a spécifiquement trait aux sacs en papier.

Embalaža - Vreče - Preskus s prostim padom - 1. del: Papirnate vreče (ISO 7965-1:1984)

General Information

• Status: Withdrawn
• Publication Date: 19-Nov-1992
• Withdrawal Date: 09-Apr-2024
• ICS: 55.080 - Sacks. Bags
• Technical Committee: CEN/TC 261 - Packaging
• Drafting Committee: CEN/TC 261 - Packaging
• Directive: 80/232/EEC - Ranges of nominal quantities and nominal capacities permitted for certain pre-packaged products
• Directive: 87/356/EEC - Ranges of nominal quantities and nominal capacities permitted for certain pre-packged products (Dir. 80/232/EEC amendment)
• Ref Project: SIST EN 27965-1:1997 - Packaging - Sacks - Drop test - Part 1: Paper sacks (ISO 7965-1:1984)

Relations

• Replaced By: EN ISO 7965-1:2024 - Packaging - Drop test - Part 1: Paper sacks (ISO 7965-1:2024)
• Effective Date: 18-Jan-2023

Standards Content (Sample)

SLOVENSKI STANDARD
01-maj-1997
(PEDODåD9UHþH3UHVNXVVSURVWLPSDGRPGHO3DSLUQDWHYUHþH,62

Packaging - Sacks - Drop test - Part 1: Paper sacks (ISO 7965-1:1984)
Packmittel - Säcke - Stoßprüfung im freien Fall - Teil 1: Papiersäcke (ISO 7965-1:1984)
Emballages - Sacs - Essai de chute - Partie 1: Sacs en papier (ISO 7965-1:1984)
Ta slovenski standard je istoveten z: EN 27965-1:1992
ICS:
55.080 9UHþH9UHþNH Sacks. Bags
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

International Standard
7965/I
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION.ME>)(~YYHAPOfiHAR OPTAHM3AlJLlR l-l0 CTAH~APTbl3AL(MM.ORGANISATION INTERNATIONALE DE NORMALISATION
Packaging - Sacks - Drop test -
Part 1: Paper sacks
Emballages - Sacs - Essai de chute - Partie 1: Sacs en papier
First edition - 1984-12-15
UDC 621.798.15 : 676.821 : 620.165.72 Ref. No. IS0 7965/l-1984 (E)
Descriptors : packing, paper packaging, bags, tests, drop tests, test equipment.
cn
- Price based on 8 pages
Foreword
IS0 (the International Organization for Standardization) is a worldwide federation of
national standards bodies (IS0 member bodies). The work of preparing International
Standards is normally carried out through IS0 technical committees. ,Each member
body interested in a subject for which a technical committee has been established has
the right to be represented on that committee. International organizations, govern-
mental and non-governmental, in liaison with ISO, also take part in the work.
Draft International Standards adopted by the technical committees are circulated to
the member bodies for approval before their acceptance as International Standards by
the IS0 Council. They are approved in accordance with IS0 procedures requiring at
least 75 % approval by the member bodies voting.
International Standard IS0 7965/ 1 was prepared by Technical Committee lSO/TC 122,
Packaging.
0 International Organization for Standardization, 1984
Printed in Switzerland
IS0 7965/l-1984 (E)
INTERNATIONAL STANDARD
Packaging - Sacks - Drop test -
Part 1: Paper sacks
1 Scope and field of application
4.3 release mechanism, to release the sack in such a way
that its fall is not obstructed by any part of the apparatus before
This part of IS0 7965 specifies a method of vertical impact
striking the impact surface (4.4).
testing on a filled paper sack by dropping. It may be performed
either as a single test to investigate the effects of vertical im-
4.4 impact surface, horizontal and flat, massive enough to
pact or as part of a sequence of tests designed to measure the
be immovable and rigid enough to be non-deformable under
ability of a sack to withstand a distribution system that includes
test conditions.
a vertical impact hazard.
NOTE - In normal circumstances the impact surface provided should
This part of IS0 7965 specifies the testing procedure and how
be:
the results of tests should be presented. It is based on
-
of one piece, with a mass at least 50 times that of the heaviest
IS0 2243, but is specifically related to paper sacks.
sack to be tested;
- fiat, such that no two points on its surface differ in level by
2 References
more than 2 mm;
-
rigid, such that it will not be deformed by more than 0,l mm
IS0 2248, Packaging - Complete, filled transport packages -
when an area of 100 mm2 is loaded statically with IO kg anywhere
Part 4: Vertical impact test by dropping.
on the surface;
-
sufficiently large to ensure that the sack falls entirely upon the
IS0 659911, Packaging - Sacks - Conditioning for testing -
surface.
Part 7: Paper sacks.
A plastic film may be used on the impact surface under the sack
IS0 7023, Packaging - Sacks - Method of sampling empty
in order not to damage the sack while moving it.
sacks for testing.
5 Sampling
3 Principle
Sampling shall be carried out in accordance with the procedure
The filled sack is raised above a rigid plane surface and released
in IS0 7023.
to strike this surface after a free fall, the atmospheric con-
ditions, the height of drop and the position of the package be-
ing set in advance.
6 Conditioning
The empty sacks shall be conditioned in accordance with the
4 Apparatus
procedure in IS0 6599/l, using one of the designated con-
ditioning atmospheres.
The apparatus necessary to carry out the drop test shall include
the following (examples are shown in annex A):
7 Procedure
4.1 lifting arrangment, which will not damage the sack
during either lifting or release.
The various tests as described shall be carried out in the same
atmospheric conditions as used for conditioning (see clause 6)
4.2 means of holding the sack prior to release in its
or, if not, the tests shall commence within 3 min of removing
predetermined position. 1)
the sack from the conditioning atmosphere.
1) The difference in behaviour of a sack suspended from the top or supported underneath in a butt drop can be significant, and the method of
holding the sack before dropping must be included in the test report.
IS0 7965/l-1984 (El
7.3 Test methods
7.1 Filling
Fill the sacks with the intended commodity but, if this is not
7.3.1 Progressive drop height method
possible, with similar material, taking into account type and
size of granules etc., to give the same degree of filling. The
This method may be used for flat, side and butt drop testing of
mass of filling material shall be within I!I 0,2 % of that of the
paper sacks.
nominal mass of the intended contents of the sack.
sack on the trap door of the apparatus
Positio n the
7.3.1.1 Flat and side drop test
drop.
The drop height, h, is given by the formula
7.2 Dropping
h = 0,85 + [(n- 1) x 0,151
Place the sack under test centrally on the platform which is
then raised to a height that is within + 2 % of the predeter-
mined drop height as defined by the distance between the
lowest point of the sack at the time of release and the nearest
0,85 is the value, in metres, of the initial drop height (II,);
point of the impact surface.
y2 is the number of drops;
shall be released from its predetermined position
The sack
0,15 is the value, in metres, of the increment (Ah).
within the following tolerances :
- The drop test shall be initiated at 0,85 m height VI,). After each
for drops on any side or edge: there shall be no vari-
drop without any visible failure on the sack, an increment of
ation of mpre than 2’ between the impacting s
...