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GERHARD BALDAUF
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GERHARD BALDAUF
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Application filed by GERHARD BALDAUFfiledCriticalGERHARD BALDAUF
Application grantedgrantedCritical
Publication of FR446593ApublicationCriticalpatent/FR446593A/fr
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
B29D19/00—Producing buttons or semi-finished parts of buttons
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
B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR446593D1912-07-271912-07-27Procédé pour la fabrication des boutons en celluloid
ExpiredFR446593A
(fr)