US1733699A - Method of producing concrete structures - Google Patents

Method of producing concrete structures Download PDF

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Publication number
US1733699A
US1733699A US259929A US25992928A US1733699A US 1733699 A US1733699 A US 1733699A US 259929 A US259929 A US 259929A US 25992928 A US25992928 A US 25992928A US 1733699 A US1733699 A US 1733699A
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pile
concrete structures
vacuum
producing concrete
forming
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US259929A
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August E Schutte
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
    • C10C3/00—Working-up pitch, asphalt, bitumen
    • C10C3/14—Solidifying, Disintegrating, e.g. granulating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/32—Processes in molding using asbestos or asphalt
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/43—Processes of curing clay and concrete materials

Description

Patented Oct. 29, 1929 UNITED STATES AUGUST n. scHU'r'rE, or Non'THBoRo, y1vrAssacHus`Errs METHOD OF PRODUCING Appucatin sied March 7,
The improvement refers especially to concrete which has been coated, impregnated, or saturated with an asphaltic like waterproofing substance.
By my process, plain or reinforced piles are saturated with a bituminous cement, by creating, in a channel formed at the center of the pile, a vacuum which not only withdraws all the moisture and steam formed l during that treatment, but also by suction causes the bituminous material to lill all voids and spaces in the concrete forming the pile. It is obvious that not only can there be created a vacuum in the center of the pile, but that the whole pile can be placed in a receptacle and pressure applied so that the waterproofing material is not only drawn in by the vacuum formed in the center of the pile but is also forced in from the outside by the increased pressure in the cylinder or tank containing the bituminous composition as well as the pile. Againit is obvious that instead of forming a vacuum in the pile I can reverse the process and pump the heated material into the center of the pile and force it by ressure from the center to the outside of the structure thus filling all its voids.
In order to manufacture the piles under my process, there is placed in the pile one or more perforated pipes or perforated mandrels forming a central passage having openings all along the inner wall. Such an arrangement s shown in the annexed drawing and in which l denotes a concrete body or pile and 2 a perforate pipe or mandrel extending longitudinally thereof. After the structure has been cured, the pile is immersed in a vat or tank containing the heated asphalt, a suction pump is connected by suitable means to the end of the pipe (or pipes) and a vacuum formed which will cause the ow of the waterproofing material centrally into the open passage until all pores and voids are filled. It will be understood of course that the pump may be attached previous to immersion.
lVith some structures it is advantageous to reverse the process and pump the hot material into the interior kof the structure while the same is either immersed or not inthe same medium, or, as stated before, the pressure ooNoRn'rE srnuo'rnnns f 192s. serial No, 259,929.
could be applied by suitable means from the outside while a vacuum is formed inside, or a vacuum formed outside while the waterproofing medium is forced into the inside.
In the broader aspect of the invention the pipe or mandrel may be withdrawn and pressure or vacuum established within the rpile by inserting a suitable perforate closure in the opening left in the pile to which the suction or vacuum pump may be attached. no f I am aware that attempts are being made in numerous ways to saturate and impregnate piles, or similar struc/tures, with water-proofing material such as asphalt, but I am not aware of' any impregnated structure in which miV the impregnating process was conducted under less or more than an atmospheric pressure, or by a combination of both.
What is claimed is:
l. A method of forming and saturatingl'lotw concretefstructures which consists in casting the structure with an opening therein; allowing such structure to cure; immersing they cured structure ina tank of liquid asphalt; i and `finally effecting a differential ,iny pres- I5 sure between the exterior surface of the structure and the wall ofthe opening. n
2. A method of forming and saturatingr concrete structures which consists in casting f the structure about a perforate mandrel; al- .80 lowing the structure yt0 cure; immersing the cured structure in a body of molten asphalt; and finally creating a dilferentialinfpressure between the outer surface of the structure and the interior of the mandrel.
8. A method of forming and saturating concrete structures which consists in casting the structure with an opening extending longitudinally thereof; allowing such structure to cure; immersing the cured structure in a tank of liquid asphalt; and finally kforeing liquid asphalt under pressure into the opening. y
4. A method of forming and saturating concrete structures which kconsists in casting the structure about a perforate mandrel; allowing the structure to cure; immersing the oured structure in a body of molten asphalt; forcing molten asphalt into the perforate mandrel; and simultaneously lowering the pressure upon the surface o the body surrounding the structure.
5. That method of forming and saturating concrete structures which consists of casting 5 the structure with an opening extending therethrough; allowing such structure to cure; immersing the cured structure in a body of molten asphalt 5: and finally setting up a differential pressure between the exterior sur i 10 face of the struoture and the Wall of the openin l ln' testimony Whereor` I have signed my neme to this specification'.
AUGUST E. SCHUTTE-
US259929A 1928-03-07 1928-03-07 Method of producing concrete structures Expired - Lifetime US1733699A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4028446A (en) * 1974-05-03 1977-06-07 Commissariat A L'energie Atomique Method and device for the fabrication of nuclear fuel compacts
US4468363A (en) * 1983-02-02 1984-08-28 Versar Inc. Internal mold gating method and apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4028446A (en) * 1974-05-03 1977-06-07 Commissariat A L'energie Atomique Method and device for the fabrication of nuclear fuel compacts
US4468363A (en) * 1983-02-02 1984-08-28 Versar Inc. Internal mold gating method and apparatus

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