FR1301123A - Perfectionnements apportés aux procédés et dispositifs pour nettoyer des petites pierres et autres petites matières dures
- Google Patents
Perfectionnements apportés aux procédés et dispositifs pour nettoyer des petites pierres et autres petites matières dures
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.)
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.)
Fawkham Developments Ltd
Original Assignee
Fawkham Developments Ltd
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 Fawkham Developments LtdfiledCriticalFawkham Developments Ltd
Priority to FR871896ApriorityCriticalpatent/FR1301123A/fr
Application grantedgrantedCritical
Publication of FR1301123ApublicationCriticalpatent/FR1301123A/fr
B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
FR871896A1961-08-301961-08-30Perfectionnements apportés aux procédés et dispositifs pour nettoyer des petites pierres et autres petites matières dures
ExpiredFR1301123A
(fr)
Perfectionnements apportés aux procédés et dispositifs pour découper mécaniquement des pièces symétriques ou asymétriques épaisses dans des plaques en matière plastique cellulaire