US1045587A - Method of attaching hoisting-hooks. - Google Patents
Method of attaching hoisting-hooks. Download PDFInfo
- Publication number
- US1045587A US1045587A US63409411A US1911634094A US1045587A US 1045587 A US1045587 A US 1045587A US 63409411 A US63409411 A US 63409411A US 1911634094 A US1911634094 A US 1911634094A US 1045587 A US1045587 A US 1045587A
- Authority
- US
- United States
- Prior art keywords
- stirrup
- block
- unit
- hoisting
- hooks
- 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
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Classifications
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
- B29C45/14073—Positioning or centering articles in the mould using means being retractable during injection
Definitions
- tion of a block of soft material having the stirrup embedded therein, Fig. 2, is a hori- ⁇ zontal section taken through a concrete unit
- Fig. 4 ⁇ is a horizontal section of aconcrete unit, illustrating the inode in which the stirrup and theblock of soft material is inserted in the unit prior to hardening of the latter
- Fig. 5 is a Vview in perspective showing the manner in which the hook of a hoisting cable, engages the stirrup to effect raising of the concrete unit.
- f Y y The stirrup designated l in the drawings, is preferably of U-Shap'e, having the ends of its legs bent or curved to form anchors 2.
- 3 indicates a block of soft material, preferably a mixture of one part of Sand and eight parts of cement, with water added in sucient quantity to make the mixture plastic, the block being .molded about the base ofthe stirrup so as to allow portions ofthe legs and the' anchoringends'2 thereof, to be exposed, and to project from the upper face of the block 3.
- -Block 3 is then permitted to harden with the base end of the stirrup -..ernbedded. therein.
- iheeoncrete unit 4 which may be a slab
- stirrup legs and the block 3, of soft material are forced in the concrete unit 4, until the base end 5, of the block 3, extends or lies flush with the top face' of the con- 'crete unit 4, as clearly depicted in Fig. 2, and after t-he concrete unit 4, has become set, or suiiiciently hardened, the soft material is picked away, or otherwise removed to eX- pose the loop of the stirrup, the space in the'concrete unit previously occupied by the block 3, forming a pocket 6, forl the reception ofv a vlifting hook 7, borne by a hoisting cable 8, or other elevating or lifting applias is of the same character of which the unit is made.
- vany stirrup may be employed which is capable of being firmly anchored in the concrete unit, and whichxhas an eye, loop, or equivalent part for engagement with the hook of a lifting or hoisting appliance, the stirrup illustrated in the drawings, being an eXampleof one which. is capable of use in carrying out the present invention.
Description
, ,CHARLES D. MORLEY, on SI'. LOUIS, MISSOURI, ASSIGNOR To UNICI` CONSTRUCTION COMPANY, OF sfr. LOUIS, MISSOURI, a CORPORATION or DELAWARE.
noemer;
METHOD OF ATTACHING HOISTING-HOOKS.
Specification of Letters Patent.
Patented Nov. 26, 1912.
kTo all whom 'it may concern:
tion of a block of soft material having the stirrup embedded therein, Fig. 2, is a hori- `zontal section taken through a concrete unit,
,showing the block and stirrup carried thereby, embedded in a concrete unit, Fig. 3, is
a similar view showing theblock of 'soft material removed, Fig. 4`, is a horizontal section of aconcrete unit, illustrating the inode in which the stirrup and theblock of soft material is inserted in the unit prior to hardening of the latter, and, Fig. 5, is a Vview in perspective showing the manner in which the hook of a hoisting cable, engages the stirrup to effect raising of the concrete unit. f Y y .The stirrup designated l in the drawings, is preferably of U-Shap'e, having the ends of its legs bent or curved to form anchors 2.
3 indicates a block of soft material, preferably a mixture of one part of Sand and eight parts of cement, with water added in sucient quantity to make the mixture plastic, the block being .molded about the base ofthe stirrup so as to allow portions ofthe legs and the' anchoringends'2 thereof, to be exposed, and to project from the upper face of the block 3. -Block 3 is then permitted to harden with the base end of the stirrup -..ernbedded. therein.
iheeoncrete unit 4 which may be a slab,
if beam, girder, or other element of building structure, is molded, and while still`v plastic, the anchoring ends 2, and the exposed portions of the legs of the stirrup fr are forced downwardly int-o the material of the unt4, Fig. 4, illustratingthe Stirrup legs at the inception of the act of being forced into the concrete unit 4, for which purpose the block 3, of soft material is in-v verted as depicted in said Fig. 4. l
The stirrup legs and the block 3, of soft material, are forced in the concrete unit 4, until the base end 5, of the block 3, extends or lies flush with the top face' of the con- 'crete unit 4, as clearly depicted in Fig. 2, and after t-he concrete unit 4, has become set, or suiiiciently hardened, the soft material is picked away, or otherwise removed to eX- pose the loop of the stirrup, the space in the'concrete unit previously occupied by the block 3, forming a pocket 6, forl the reception ofv a vlifting hook 7, borne by a hoisting cable 8, or other elevating or lifting applias is of the same character of which the unit is made.
I do not wish to be limited to the form of stirrup illustrated, since any form of stirrup suitable for the'` lpurpose may be utilized,I
that is to say vany stirrup may be employed which is capable of being firmly anchored in the concrete unit, and whichxhas an eye, loop, or equivalent part for engagement with the hook of a lifting or hoisting appliance, the stirrup illustrated in the drawings, being an eXampleof one which. is capable of use in carrying out the present invention.
What is claimed is The method of attaching hoist-ing elements having distinct hook-engaging and anchoring port-ions to concrete units, which consists in embedding the hook-engaging portion of the hoisting element in a solid block of relatively soft cementitious material; permitting said vblock to'set and then inverting Said block and hoisting element and forcing the Same bodily into the concrete unit after the latter has been molded then outer face of said block is subst-anti In testimony whereof I hereunto affix my slgnature 1n the pl'eeence of two Wltnesses.
CHARLES D. MORLEY.
flush with the adjacent face of said unit; and finally removing` the material, of which said block is constructed after said unit has hardened, to expose the hook-engaging pon tion of said hoisting element and to produce 1 Vtnessee:
a pocket in said unit wherein said portion s WM. A, @HES/EN UT,
Wholly disposed. ARCHER "W1 RICHARDS.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63409411A US1045587A (en) | 1911-06-19 | 1911-06-19 | Method of attaching hoisting-hooks. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63409411A US1045587A (en) | 1911-06-19 | 1911-06-19 | Method of attaching hoisting-hooks. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1045587A true US1045587A (en) | 1912-11-26 |
Family
ID=3113861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US63409411A Expired - Lifetime US1045587A (en) | 1911-06-19 | 1911-06-19 | Method of attaching hoisting-hooks. |
Country Status (1)
Country | Link |
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US (1) | US1045587A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2579050A (en) * | 1948-06-07 | 1951-12-18 | Stark Ceramics Inc | Enameling of concrete materials |
DE1251003B (en) * | 1967-09-28 | |||
US3886242A (en) * | 1972-05-01 | 1975-05-27 | Robert Mcgregor & Sons Limited | Method for forming holes in concrete slabs and pavements |
US4372906A (en) * | 1978-09-14 | 1983-02-08 | Master Modular Homes, Inc. | Method and apparatus for pre-casting steel reinforced concrete box-like modules |
DE3408597A1 (en) * | 1984-03-09 | 1985-09-12 | Hoesch Ag, 4600 Dortmund | CONCRETE THRESHOLD WITH RECESSES AND METHOD FOR THEIR PRODUCTION |
US5004208A (en) * | 1990-01-25 | 1991-04-02 | Domizio George T | Removable recess forming insert |
US5692343A (en) * | 1993-12-28 | 1997-12-02 | Hitachi, Ltd. | Surface layer ground establishment block, surface layer ground using the same and method for utilizing the same |
US6575424B2 (en) | 2001-03-26 | 2003-06-10 | George Thomas Domizio | Void forming device |
US20190048601A1 (en) * | 2017-08-10 | 2019-02-14 | ALP Supply, Inc. | Lift anchor for precast concrete component |
US11421431B1 (en) | 2019-02-21 | 2022-08-23 | ALP Supply, Inc. | Erection anchor with coil legs |
-
1911
- 1911-06-19 US US63409411A patent/US1045587A/en not_active Expired - Lifetime
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1251003B (en) * | 1967-09-28 | |||
US2579050A (en) * | 1948-06-07 | 1951-12-18 | Stark Ceramics Inc | Enameling of concrete materials |
US3886242A (en) * | 1972-05-01 | 1975-05-27 | Robert Mcgregor & Sons Limited | Method for forming holes in concrete slabs and pavements |
US4372906A (en) * | 1978-09-14 | 1983-02-08 | Master Modular Homes, Inc. | Method and apparatus for pre-casting steel reinforced concrete box-like modules |
DE3408597A1 (en) * | 1984-03-09 | 1985-09-12 | Hoesch Ag, 4600 Dortmund | CONCRETE THRESHOLD WITH RECESSES AND METHOD FOR THEIR PRODUCTION |
US5004208A (en) * | 1990-01-25 | 1991-04-02 | Domizio George T | Removable recess forming insert |
US5692343A (en) * | 1993-12-28 | 1997-12-02 | Hitachi, Ltd. | Surface layer ground establishment block, surface layer ground using the same and method for utilizing the same |
US5809702A (en) * | 1993-12-28 | 1998-09-22 | Hitachi, Ltd. | Surface layer ground establishment block, surface layer ground using the same and method for utilizing the same |
US6575424B2 (en) | 2001-03-26 | 2003-06-10 | George Thomas Domizio | Void forming device |
US20190048601A1 (en) * | 2017-08-10 | 2019-02-14 | ALP Supply, Inc. | Lift anchor for precast concrete component |
US11549273B2 (en) * | 2017-08-10 | 2023-01-10 | ALP Supply, Inc. | Lift anchor for precast concrete component |
US11421431B1 (en) | 2019-02-21 | 2022-08-23 | ALP Supply, Inc. | Erection anchor with coil legs |
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