FR581656A - Process for the regeneration and enrichment of pumice used for polishing pewter or tin objects and product obtained - Google Patents

Process for the regeneration and enrichment of pumice used for polishing pewter or tin objects and product obtained

Info

Publication number
FR581656A
FR581656A FR581656DA FR581656A FR 581656 A FR581656 A FR 581656A FR 581656D A FR581656D A FR 581656DA FR 581656 A FR581656 A FR 581656A
Authority
FR
France
Prior art keywords
pewter
enrichment
regeneration
polishing
tin
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
Other languages
French (fr)
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.)
DERUELLE DERUELLE ET PRATE ETS
Original Assignee
DERUELLE DERUELLE ET PRATE ETS
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 DERUELLE DERUELLE ET PRATE ETS filed Critical DERUELLE DERUELLE ET PRATE ETS
Application granted granted Critical
Publication of FR581656A publication Critical patent/FR581656A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR581656D 1923-08-14 1923-08-14 Process for the regeneration and enrichment of pumice used for polishing pewter or tin objects and product obtained Expired FR581656A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR581656T 1923-08-14

Publications (1)

Publication Number Publication Date
FR581656A true FR581656A (en) 1924-12-03

Family

ID=8957546

Family Applications (1)

Application Number Title Priority Date Filing Date
FR581656D Expired FR581656A (en) 1923-08-14 1923-08-14 Process for the regeneration and enrichment of pumice used for polishing pewter or tin objects and product obtained

Country Status (1)

Country Link
FR (1) FR581656A (en)

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