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US 4,072,473 AGranted
Self-extinguishing match and method of manufacture
AssigneeDiamond International Corporation
InventorsStanley J. Radkowski, John M. Lawrence, Enever Naggar, Raymond W. Dunham
Life of this patent
Estimating the term…
Abstract
A match splint is impregnated with fire retardant chemicals during any of several steps of manufacture for adjusted fire retardancy control.
Claims24
A self-extinguishing match comprising
- a match splint having opposite surfaces and opposite edges,
- a layer of paraffin extending from one end of said splint along only a portion of said splint to a point between said one end and the opposite end of said splint,
- an igniting head on said one end of said splint,
- chemical fire retardant material on said opposite surfaces and opposite edges of said splint from said one end and extending toward said opposite end further along said splint than said layer of paraffin.
1 more element
A self-extinguishing match comprising
- a match splint having opposite surfaces and opposite edges,
- a layer of paraffin extending from one end of said splint along only a portion of said splint to a point between said one end and the opposite end of said splint,
- an igniting head on said one end of said splint,
- chemical flame retardant material on said opposite surfaces and opposite edges of said splint along said splint beyond the portion covered by said layer of paraffin.
1 more element
A method of manufacturing book matches of the self-extinguishing type comprising the steps of
- preparing match splint combs,
- mounting said combs on a conveying means with free ends of the match splints extending therefrom,
- moving said combs on said conveying means and partially dipping said combs in hot melted paraffin, partially dipping said combs in igniting match head material,
- dipping said combs to a point further up the combs beyond the farthest extent that paraffin will reach on the match splint combs in chemical fire retardant material in liquid form following any previous mentioned step after mounting said combs on a conveying means,
- drying the material on said combs,
- and assembling said combs into book match form.
3 more elements
A match making apparatus comprising
- means to form match splint combs,
- means to apply paraffin following said match splint comb forming means,
- means to apply igniting match head material following said paraffin applying means,
- means to apply fire retardant material at any point in relation to one of said above mentioned means,
- and means to dry the applications from said previous stated means.
2 more elements
Dependencies are inferred from the claim text.