US1571874A - Expansion joint - Google Patents
Expansion joint Download PDFInfo
- Publication number
- US1571874A US1571874A US587611A US58761122A US1571874A US 1571874 A US1571874 A US 1571874A US 587611 A US587611 A US 587611A US 58761122 A US58761122 A US 58761122A US 1571874 A US1571874 A US 1571874A
- Authority
- US
- United States
- Prior art keywords
- bituminous
- expansion joint
- corn cob
- expansion joints
- incorporated
- 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 - Lifetime
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
- E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
- E01C11/10—Packing of plastic or elastic materials, e.g. wood, resin
- E01C11/106—Joints with only prefabricated packing; Packings therefor
Definitions
- My invention relates to a mixture of hituminous matter containing corn cob fibres as distinguished from the old art in which hemp-flax-linters, oakum, felt, andeven sawdust were incorporated as is well known to those versed in the art.
- the mixing may be carried on in accordance with the common practice where fibrous matters, as hereinbefore pointed out, have previously been used in making expansion joints.
- Sawdust is objectionable because of its 40 rosinous content, and fibrous matter such as hemp, flax, linters and feltings are exceedlngly expensive when compared to the cost of fibrous matter secured from the corn cob; likewise, the flat, chafiy fibre is quite strong and because of its flattened nature has greater binding power than the rounded lighter structures of fibre secured from linters, feltings, hemp, flax, etc.
- the bituminous matter may be cellular or 60 solid, as desired.
Description
latented Feb. 2 1926.
PATENT OFFICE. f
ALBERT C. FISCHER, OF CHICAGO, ILLINOIS.
nxra'nsro'n JOINT.
No Drawing.
To all whom it may concern:
Be it known that I, ALBERT C. FISCHER, a citizen of the United States, residing in Chicago, county of Cook, State of Illinois,
5 have invented'a certain new and useful Improvement in Expansion Joints.
My invention relates to a mixture of hituminous matter containing corn cob fibres as distinguished from the old art in which hemp-flax-linters, oakum, felt, andeven sawdust were incorporated as is well known to those versed in the art.
I find the chafi'y, fibrous nature of the corn coh,"when ground, to be well suited for the purpose herein disclosed, namely, constructing expansion joints to take up expansion and contraction in concrete roads, buildings, etc. The ground corn cob is incorporated in the bituminous matter in about the same volumetric proportion as the above-mentioned fibrous matters have generally been employed, the asphalt being, of course,
warmed to a temperature which will permit it to be kneaded or stirred sufficiently to incorporate the ground corn cob therewith,
for instance, as described in my previously filed application of-May 10, 1922, Serial No. 559,908,v coveringthe lmprovements'in expansion joints, according to which.fibrous matter and other like substances, such as excelsior, are incorporated ina bituminous mixture while the bituminous material is merely plastic as distinguished from fluid Application filed September 11, 1922. Serial No. 587,611.
and therefore lacking in penetration power; or, if preferred, the mixing may be carried on in accordance with the common practice where fibrous matters, as hereinbefore pointed out, have previously been used in making expansion joints.
Sawdust is objectionable because of its 40 rosinous content, and fibrous mattersuch as hemp, flax, linters and feltings are exceedlngly expensive when compared to the cost of fibrous matter secured from the corn cob; likewise, the flat, chafiy fibre is quite strong and because of its flattened nature has greater binding power than the rounded lighter structures of fibre secured from linters, feltings, hemp, flax, etc.
The bituminous matter may be cellular or 60 solid, as desired.
.If the bituminous matter is to be developed in cellular structure or form, this can be accomplished by following the teachings of my Letters Patent No.1,401,974, granted J anuary-3, 1922, for sponge asphalt.
I claim:
1. Bituminous expansion joints having incorporated therein corn cob fibre.
'2. Cellular bituminous expansion joints having incorporated therein corn cob fibres. 3. Bituminous expansion joints having incorporated therein ground corn cob.
Signed at Chicago, Illinois, this 9th day of September, A. D. 1922.
ALBERT C. FISCHER.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US587611A US1571874A (en) | 1922-09-11 | 1922-09-11 | Expansion joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US587611A US1571874A (en) | 1922-09-11 | 1922-09-11 | Expansion joint |
Publications (1)
Publication Number | Publication Date |
---|---|
US1571874A true US1571874A (en) | 1926-02-02 |
Family
ID=24350489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US587611A Expired - Lifetime US1571874A (en) | 1922-09-11 | 1922-09-11 | Expansion joint |
Country Status (1)
Country | Link |
---|---|
US (1) | US1571874A (en) |
-
1922
- 1922-09-11 US US587611A patent/US1571874A/en not_active Expired - Lifetime
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