GB1165276A - A Device for Measuring Hardness of Plastics by means of Pendulum Method - Google Patents

A Device for Measuring Hardness of Plastics by means of Pendulum Method

Info

Publication number
GB1165276A
GB1165276A GB3645467A GB3645467A GB1165276A GB 1165276 A GB1165276 A GB 1165276A GB 3645467 A GB3645467 A GB 3645467A GB 3645467 A GB3645467 A GB 3645467A GB 1165276 A GB1165276 A GB 1165276A
Authority
GB
United Kingdom
Prior art keywords
pendulum
photo
angle
hardness
swing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3645467A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Politechnika Wroclawska
Original Assignee
Politechnika Wroclawska
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from PL116005A external-priority patent/PL56266B1/pl
Application filed by Politechnika Wroclawska filed Critical Politechnika Wroclawska
Publication of GB1165276A publication Critical patent/GB1165276A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/40—Investigating hardness or rebound hardness
    • G01N3/50—Investigating hardness or rebound hardness by measuring rolling friction, e.g. by rocking pendulum

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
GB3645467A 1966-08-08 1967-08-08 A Device for Measuring Hardness of Plastics by means of Pendulum Method Expired GB1165276A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL116005A PL56266B1 (de) 1966-08-08

Publications (1)

Publication Number Publication Date
GB1165276A true GB1165276A (en) 1969-09-24

Family

ID=19949515

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3645467A Expired GB1165276A (en) 1966-08-08 1967-08-08 A Device for Measuring Hardness of Plastics by means of Pendulum Method

Country Status (3)

Country Link
DE (1) DE1298305B (de)
GB (1) GB1165276A (de)
SE (1) SE314225B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000322A1 (fr) * 1977-11-25 1979-06-14 Oreal Pendule mesureur de durete a fonctionnement automatique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2757535A (en) * 1951-11-07 1956-08-07 Ici Ltd Apparatus for the measurement of surface hardness
DE1140759B (de) * 1959-07-23 1962-12-06 Ringsdorff Werke Gmbh Zaehler fuer elektrische Impulse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000322A1 (fr) * 1977-11-25 1979-06-14 Oreal Pendule mesureur de durete a fonctionnement automatique
US4318297A (en) * 1977-11-25 1982-03-09 L'oreal Pendulum-type film hardness measurement tester

Also Published As

Publication number Publication date
SE314225B (de) 1969-09-01
DE1298305B (de) 1969-06-26

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee