GB689908A - A device for gauging surface roughness, and a method of manufacturing the same - Google Patents

A device for gauging surface roughness, and a method of manufacturing the same

Info

Publication number
GB689908A
GB689908A GB6416/50A GB641650A GB689908A GB 689908 A GB689908 A GB 689908A GB 6416/50 A GB6416/50 A GB 6416/50A GB 641650 A GB641650 A GB 641650A GB 689908 A GB689908 A GB 689908A
Authority
GB
United Kingdom
Prior art keywords
resins
catalysts
formaldehyde
sheet
synthetic resin
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
GB6416/50A
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.)
MAXENCE MEYER
Original Assignee
MAXENCE MEYER
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
Application filed by MAXENCE MEYER filed Critical MAXENCE MEYER
Publication of GB689908A publication Critical patent/GB689908A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
    • B29C33/424—Moulding surfaces provided with means for marking or patterning
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/30—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Laminated Bodies (AREA)
GB6416/50A 1949-03-15 1950-03-14 A device for gauging surface roughness, and a method of manufacturing the same Expired GB689908A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR986597T 1949-03-15

Publications (1)

Publication Number Publication Date
GB689908A true GB689908A (en) 1953-04-08

Family

ID=9538199

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6416/50A Expired GB689908A (en) 1949-03-15 1950-03-14 A device for gauging surface roughness, and a method of manufacturing the same

Country Status (3)

Country Link
FR (1) FR986597A (lt)
GB (1) GB689908A (lt)
NL (1) NL81100C (lt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3191433A (en) * 1962-01-03 1965-06-29 Huyck Corp Surface condition testing method and apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE971620C (de) * 1953-11-27 1959-02-26 Wenczler & Heidenhain Rauhnormal und Verfahren zu seiner Herstellung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3191433A (en) * 1962-01-03 1965-06-29 Huyck Corp Surface condition testing method and apparatus

Also Published As

Publication number Publication date
FR986597A (fr) 1951-08-02
NL81100C (lt) 1955-11-15

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