AN IMPROVED DAMP PROOF COMPOUND
Year: 1884

page_text: I SALOMON FRANKENBERG, of 31, Kennington Park Road, in the county of
Surrey, Manufacturer and Merchant, do hereby declare the nature of the said
invention for "AN IMPROVED DAMP PROOF COMPOUND," to be as follows:-
This invention relates to the manufacture of an improved compound particularly
suitable for use as a damp course for foundation walls and like purposes, for
coating iron and other roofs and for other purposes where a damp proof compound
is required.
The improved compound will adhere to concrete, stone, or wood, so as to keep
any two bodies together without the aid of nails or other means of adhesion.
This improved composition to which I have given the name of "Astrictum" is
manufactured from the following materials videlicet, to make one hundred weight
of the compound I take of
Pulped wool and cotton about
Pitch
Asphalte
Granite Rock
Mastic
15 pounds
about
25 pounds
about 20 pounds
about 20 pounds
about 5 pounds
:
Bitumen about
Resin
Coal Tar
about
5 pounds
about 10 pounds
about 12 pounds
112 pounds
These materials are separately dissolved or melted and then mixed together and
boiled for about six hours and stirred until they are thoroughly combined and
mixed together.
To make use of the compound it must be melted by heat and can then be
applied by means of a brush or in any other suitable manner.
Dated this 1st deg of Inly 1884

page_text: COMPLETE SPECIFICATION.
I SALOMON FRANKENBERG of 81 Kennington Park Road in the county of
Surrey, Manufacturer and Merchant do hereby declare the nature of the said
invention for "AN IMPROVED DAMP PROOF COMPOUND" and in what manner the
same is to be performed to be particularly described and ascertained in and by the
following statement :-
This invention relates to the manufacture of an improved compound particularly
suitable for use as a damp course for foundation walls and like purposes for
covering fire proof floors for coating iron and other roofs and for other purposes
where a damp proof compound is required.
·
The improved compound will adhere to concrete, stone, or wood, so as to keep 1
any two bodies together without the aid of nails or other means of adhesion.
This improved composition to which I have given the name of "Astrictum" is
manufactured from the following materials videlicet; to make one hundred weight
of the compound I take of
Pulped wool and cotton about
Pitch
Asphalte
Granite Rock
Mastic
Bitumen
Resin
Coal Tar
15 pounds
about 25 pounds
about 20 pounds
about 20 pounds
about 5 pounds
about 5 pounds
about 10 pounds
about 12 pounds
112 pounds
These materials are preferably separately dissolved or melted and then mixed
together and boiled for about six hours and stirred until they are thoroughly
combined and mixed together.
To make use of the compound it must be melted by heat and can then be
applied by means of a brush or in any other suitable manner.
Having now particularly described and ascertained the nature of the said
invention and the manner of performing the same I declare that what I claim is
The manufacture and use of the improved damp proof compound formed by
mixing the ingredients herein mentioned substantially as and in the proportions
described.
D