US3685782A - Concrete pouring form accessory - Google Patents
Concrete pouring form accessory Download PDFInfo
- Publication number
- US3685782A US3685782A US82638A US3685782DA US3685782A US 3685782 A US3685782 A US 3685782A US 82638 A US82638 A US 82638A US 3685782D A US3685782D A US 3685782DA US 3685782 A US3685782 A US 3685782A
- Authority
- US
- United States
- Prior art keywords
- concrete
- sleeve
- post
- insert
- pouring form
- 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
- 239000004567 concrete Substances 0.000 title claims abstract description 60
- 239000000463 material Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 2
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 210000002435 tendon Anatomy 0.000 description 7
- 238000005266 casting Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 239000003831 antifriction material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
- E01B9/04—Fastening on wooden or concrete sleepers or on masonry without clamp members
- E01B9/14—Plugs, sleeves, thread linings, or other inserts for holes in sleepers
- E01B9/18—Plugs, sleeves, thread linings, or other inserts for holes in sleepers for concrete sleepers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/005—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects with anchoring or fastening elements for the shaped articles
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
- E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
- E01B3/32—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement
- E01B3/34—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement with pre-tensioned armouring or reinforcement
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4114—Elements with sockets
- E04B1/4121—Elements with sockets with internal threads or non-adjustable captive nuts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
- E04G15/04—Cores for anchor holes or the like around anchors embedded in the concrete
Definitions
- ABSTRACT A concrete pouring form accessory includes a post which supports a slidably removable sleeve and insert [62] E a 1?: g gj' sif 716516 March I968 threaded thereto in a mold or pouring'fonn during I pouring of a concrete railroad tie.
- the tie is readily slidably removed from the support post thereby leaving the [58-] Fieid l37lg 373 249/83 7 sleeve disposed within the insert to protect threads of 249/91 1 264/35 the insert until the sleeve has been unscrewed from 271 278, l8/DIG 25/131 the insert (usually at the time of bolting, rails to the v railroad tie).
- a resilient annular cone-shaped sealing 7 element forms a plug behind the insert and sleeve to [56] References cued preclude the application of blocking con'crete behind UNITED STATES PATENTS the Sleeve and the pp P 3,47l,1 18 10/1969 Borrnann ..249/86 X 3 'Claims, 9 Drawing Figures -g l' J #Q 6] 33d .74 /7a 5m W/Z 3/0 28 27 32 j/l 31 v i g a; a 37 55 PATENTEDmczz m2 SHEET 1 [IF 2 INVENTOR. Ed war d L. Kowell BY PATENTED 1822 1972 SHEET 2 UF 2 Fig.5
- SUMMARY OF INVENTION AND OBJECTS tive engagement portions such as exterior threads formed around the outside of the sleeve, is slidably positioned onto the distal end of the support post.
- An anchor element of a type adapted to receive and hold bolts to be coupled or threaded thereto when embedded in concrete is carried by the sleeve mounted on the post.
- the anchor element is carried in readily releasable positive engagement with the sleeve whereby unscrewing the sleeve from the anchor element serves to expose the threads for use with bolts of a type adapted to attach railroad rails to the ties.
- Each anchor element is, in general, provided with laterally protruding portions which serve to develop a positive holding anchored engagement with concrete upon hardening of the concrete in which it is submerged.
- a flange is formed about the anchor element.
- means are carried by the support post which serve to preserve sufficient clearanceaxially behind the sleeve and behind the post which is effective during placement of concrete poured about the accessory to preserve the ready removal path of the post' proved pouring form accessory for providing an anchor insert of a type having internal threads and wherein the threads are arranged in protected, sealed condition until ready for application of rails to the tie.
- FIGS. 1 and 2 are respectively plan and side elevation views of a railroad tie formed according to the invention
- FIG. 3 and 4 are respectively enlarged elevation section views taken along the line 3-3 and 4-4 respectivey;
- FIG. 5 is a schematic end view, in section, showing a pouring form accessory according to the invention.
- FIG. 6 is an enlarged, exploded, isometric view of a pouring form accessory according to the invention.
- FIGS. 7 and 8 are each transverse end section views showing a concrete-product according to the invention respectively in a state immediately following removal from the pouring form shown in FIG. 5 and shown in position ready to receive the application of rails thereto;
- FIG. 9 is an enlargedelevation section view of a central portion of the casting accessory assembly 28'.
- a concrete railroad tie 10 of a type employing prestressing tensioned tendons 11-, 12, 13, 14 includes molded or cast portions for supporting railroad rails and ballast'portions adapted for contact signal supports; the mutually inwardly and downwardly sloping rail pad portions 16 are adapted to receive the lower flanges of railroad rails each of inserts 17, 18 as embedded in the concrete of the body of railroad tie 10 form anchoring of attachment with tie l0 for'coupling forces acting along the axis of inserts 17, 18 to the body of concrete.
- the parallel planes thus respectively lie contiguous to the bounding adjacent portions of tendons 12 or 13 respectively and inserts 17
- the spacing 23 between the parallel planes 21, 22 is sufficiently narrow sov as to cause the tendon 12 to contribute restraint to the axial movement of inserts 17 in the body of concrete under application of forces to the inserts, as by means of the applied forces experienced by trains carried on the rails thus supported.
- ' 1 'Post31 includes an v In the method of forming the precast concrete railroad tie bodies, 'afrarne, such as the box-like structure
- the inner end of each insert 17 is formed with a radially outwardlyprojecting flange portion 17a forming 24, open along the top,- serves to hold a wooden pouring form '26 or mold of a type suitable for receiving the mixed concrete.
- Tendons 11, 12, 13 and 14 are supported by conventional means in each of the opposite end walls 27 of the pouring form structure.
- a concrete pouring form accessory in the form of the casting assembly 28 serves to provide the concrete tie with an embedded insert formed with female threads 29 for positively engaging the threaded end of a bolt, of a type as conventionally utilized in applying rails to pads 16.
- the threads29 of each insert 17 are further providedin a mannerwhereby they remain sealed from exposure to damaging influences whereby 'at the pointof utilization the threads are not clogged or r rusted, or otherwise damaged.
- sleeve 33 irtClu'desQa interior bore for slidably positioningsleeve 33 onto-the upper end portion 31d of 31;
- sleeve 33 consists of an anti-friction material suchjas various known plastics in order to facilitate its ready removal from post'31.
- Element 37 serves to define access passages 36 be- I hind sleeve 33 and; together with post portion 31b serves to' define the access passage behind post portion 310 whereby the-post portion 31a may b'e readilywithdrawn from the concrete body upon hardening of r the concrete.
- laterally protruding portions serving to develop a positive holding anchored engagement with the hardened concrete in which it is submerged.
- each tie body is pulled relativelyaway from the posts 31 to slidably remove the posts 31 from their respective sleeves 33.
- Sleeves 33 are left'in place 'until the tie 10 is ready for use. At that time sleeves 33 are unscrewed from theirrespective inserts 17 in order to expose the interior threads 291for attachment to suitable threaded bolts as employed forattachment to rails to be laid upon ties 1o.
- a concrete pouring form accessory for providing an anchor insert element embedded in a concrete for providing an anchor insert element embedded in a concrete.
- a support post adapted to be fixed to a pouring form to project inwardly of awall portion 3 bolts to be coupled thereto. when embedded in a.
- said anchor element being positioned onto said sleeve and having positive engagement portions inreadily releasable positive engagement with the first named said portions and formed with laterally protruding exteriorportions serving to develop a positive holding anchored engagement with concrete upon hardening of concrete submerging same, means preserving sufi'icient clearance axially and behind and detached from said sleeve and said post during placement of concrete submerging the post and sleeve to permit, after hardening o the concrete, the ready removal of the post .from said sleeve and the latter removal of the sleeve from the insert.
- a concrete pouring form accesory for providing orly thereof and slidably positioned onto the distal end V of said post, an anchor element'of a typeadapted to receive and hold bolts to be threaded thereto when embedded in a concrete product, said anchor element being positioned onto said sleeve in readily releasable positive engagement therewith and formed with laterally protruding portions serving to develop a positive holding anchored engagement with concrete upon hardening of concrete submerging same, means preserving sufficient clearance axially behind and detached from said sleeve and said post during placement of concrete submerging the post and sleeve to permit, after hardening of the concrete, the ready
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
A concrete pouring form accessory includes a post which supports a slidably removable sleeve and insert threaded thereto in a mold or pouring form during pouring of a concrete railroad tie. Following hardening of the railroad tie, the tie is readily slidably removed from the support post thereby leaving the sleeve disposed within the insert to protect threads of the insert until the sleeve has been unscrewed from the insert (usually at the time of bolting rails to the railroad tie). A resilient annular cone-shaped sealing element forms a plug behind the insert and sleeve to preclude the application of blocking concrete behind the sleeve and the support post.
Description
Umted States Patent [151 3, Kowell [451 Aug. 22, 1972 [54] CONCRETE POURING FORM 2,366,401 '1/1945 Haskell ..249/91 X ACCESSORY 3,418,781 12/ 1 968 Penotem'. ..52/699 3,577,610 5/1971 Hargolin ..25/2 [72] Invent 221'? Greenbrae' 3,305,907 2/1967' Baker ..25/2
[73] Assignee: J. A. Pomeroy & Company, Inc., Primary Examiner-J. Spencer Overholser San Francisco, Calif. Assistant Examiner-Ben D. Tobor Oc 21, Attorney-F lehr, HOhbaCh, Test, & Herbert Appl. No.: 82,638
Related US. Application Data [57] ABSTRACT A concrete pouring form accessory includes a post which supports a slidably removable sleeve and insert [62] E a 1?: g gj' sif 716516 March I968 threaded thereto in a mold or pouring'fonn during I pouring of a concrete railroad tie. Following harden- 1 ing of the railroad tie, the tie is readily slidably removed from the support post thereby leaving the [58-] Fieid l37lg 373 249/83 7 sleeve disposed within the insert to protect threads of 249/91 1 264/35 the insert until the sleeve has been unscrewed from 271 278, l8/DIG 25/131 the insert (usually at the time of bolting, rails to the v railroad tie). A resilient annular cone-shaped sealing 7 element forms a plug behind the insert and sleeve to [56] References cued preclude the application of blocking con'crete behind UNITED STATES PATENTS the Sleeve and the pp P 3,47l,1 18 10/1969 Borrnann ..249/86 X 3 'Claims, 9 Drawing Figures -g l' J #Q 6] 33d .74 /7a 5m W/Z 3/0 28 27 32 j/l 31 v i g a; a 37 55 PATENTEDmczz m2 SHEET 1 [IF 2 INVENTOR. Ed war d L. Kowell BY PATENTED 1822 1972 SHEET 2 UF 2 Fig.5
INVENTOR. d w ard L. Kowell Attorneys 1 CONCRETE POURING FORM ACCESSORY CROSS-REFERENCE TO RELATED APPLICATIONS This application is a division of US. application Ser. No. 716,516, now US. Pat. No. 3,557,274, filed Mar. 27, 1968 and entitled METHOD FOR MOLDING A CONCRETE RAILROAD TIE BACKGROUND OF THE INVENTION I This invention pertains to a concrete pouring form accessory for forming a concrete product and to the product itself The invention has particular utility in forming concrete railroad ties of a type, for example, as employ prestressing elongated tendons carried under tension therein.
SUMMARY OF INVENTION AND OBJECTS tive engagement portions, such as exterior threads formed around the outside of the sleeve, is slidably positioned onto the distal end of the support post. An anchor element of a type adapted to receive and hold bolts to be coupled or threaded thereto when embedded in concrete is carried by the sleeve mounted on the post. Thus, the anchor element is carried in readily releasable positive engagement with the sleeve whereby unscrewing the sleeve from the anchor element serves to expose the threads for use with bolts of a type adapted to attach railroad rails to the ties.
Each anchor element is, in general, provided with laterally protruding portions which serve to develop a positive holding anchored engagement with concrete upon hardening of the concrete in which it is submerged. Thus, a flange is formed about the anchor element. Further, means are carried by the support post which serve to preserve sufficient clearanceaxially behind the sleeve and behind the post which is effective during placement of concrete poured about the accessory to preserve the ready removal path of the post' proved pouring form accessory for providing an anchor insert of a type having internal threads and wherein the threads are arranged in protected, sealed condition until ready for application of rails to the tie.
These and other objects of the invention will be more readily apparent from the following detailed description, when taken in conjunction with the drawing.
" BRIEF DESCRIPTION OF THE DRAWING FIGS. 1 and 2 are respectively plan and side elevation views of a railroad tie formed according to the invention;
FIG. 3 and 4 are respectively enlarged elevation section views taken along the line 3-3 and 4-4 respectivey; I
FIG. 5 is a schematic end view, in section, showing a pouring form accessory according to the invention;
FIG. 6 is an enlarged, exploded, isometric view of a pouring form accessory according to the invention;
FIGS. 7 and 8 are each transverse end section views showing a concrete-product according to the invention respectively in a state immediately following removal from the pouring form shown in FIG. 5 and shown in position ready to receive the application of rails thereto; and
FIG. 9 is an enlargedelevation section view of a central portion of the casting accessory assembly 28'.
DESCRIPTION OF THE PREFERRED EMBODIMENT With'reference to FIGS. 1 and 2, a concrete railroad tie 10 of a type employing prestressing tensioned tendons 11-, 12, 13, 14 includes molded or cast portions for supporting railroad rails and ballast'portions adapted for contact signal supports; the mutually inwardly and downwardly sloping rail pad portions 16 are adapted to receive the lower flanges of railroad rails each of inserts 17, 18 as embedded in the concrete of the body of railroad tie 10 form anchoring of attachment with tie l0 for'coupling forces acting along the axis of inserts 17, 18 to the body of concrete.
In order to enhance and derive improved holding action and thereby increase the restraint with which the concrete of tie 10 holds inserts 17, which are subjected to the great forces applied by trains travellingon rails supported upon pad portions 16, it has been found advantageous to dispose tendons 12, 13 relatively closely adjacent the sides of inserts 17. Thus, tendons 12, 13 have been disposed relative to inserts 17in a manner whereby a pair of parallel planes 21, 22, disposed paralleled to the axis of inserts 17 and respectively spaced laterally in a common direction from the axis of inserts 17 may be defined on each side of the inserts 17. The parallel planes thus respectively lie contiguous to the bounding adjacent portions of tendons 12 or 13 respectively and inserts 17 The spacing 23 between the parallel planes 21, 22 is sufficiently narrow sov as to cause the tendon 12 to contribute restraint to the axial movement of inserts 17 in the body of concrete under application of forces to the inserts, as by means of the applied forces experienced by trains carried on the rails thus supported.
' 1 'Post31 includes an v In the method of forming the precast concrete railroad tie bodies, 'afrarne, such as the box-like structure The inner end of each insert 17 is formed with a radially outwardlyprojecting flange portion 17a forming 24, open along the top,- serves to hold a wooden pouring form '26 or mold of a type suitable for receiving the mixed concrete. Tendons 11, 12, 13 and 14 are supported by conventional means in each of the opposite end walls 27 of the pouring form structure.
] A concrete pouring form accessory in the form of the casting assembly 28 serves to provide the concrete tie with an embedded insert formed with female threads 29 for positively engaging the threaded end of a bolt, of a type as conventionally utilized in applying rails to pads 16. The threads29 of each insert 17 are further providedin a mannerwhereby they remain sealed from exposure to damaging influences whereby 'at the pointof utilization the threads are not clogged or r rusted, or otherwise damaged.
'.Thus', amounting post3l 'is fixedly carried to project inwardly from-the wall 32 of'pouringform An exteriorly threaded anti-friction sleeve 33,.threadedly engages the interior threads 29 of, the annular insert 17.
.Sl'eeve :33 irtClu'desQa interior bore for slidably positioningsleeve 33 onto-the upper end portion 31d of 31; Preferably, sleeve 33 consists of an anti-friction material suchjas various known plastics in order to facilitate its ready removal from post'31.
1 While only a single 31' has been described above, it will be evident that a number of such mounting posts 31 shall be utilized in cooperationwith the other inserts 17,18 and the provision of the anti-friction sliding relation between the interior of sleeves 33 order to-flprovide readyremoval the'reof from the hardened concrete product.
laterally protruding portions serving to develop a positive holding anchored engagement with the hardened concrete in which it is submerged. Having completed the foregoing steps, it is then only necessary-to pursue 1 the final steps of pouring hardenable concrete-forming material into mold form 26 while sealing the mold form at the outer end of the sleeve 33 and post '31 in a manner preserving the access clearance behind both of these elements for later backing them out. of the body of concrete after it has hardened.
' Subsequently, after permitting the poured material to harden, each tie body is pulled relativelyaway from the posts 31 to slidably remove the posts 31 from their respective sleeves 33. Sleeves 33are left'in place 'until the tie 10 is ready for use. At that time sleeves 33 are unscrewed from theirrespective inserts 17 in order to expose the interior threads 291for attachment to suitable threaded bolts as employed forattachment to rails to be laid upon ties 1o.
From the foregoing, it will .be readily evident" that i there has been provided an improved concrete product same frominsert 17.
37 and post portion 31b serve to preserve sufiicient clearance axially behind sleeve 33 and post portion 31a during placement of concrete so as to permit ready removal, first of the post from the sleeve, and later of the sleeve from the insert 17 when rails are ready to be secured to the tie 10.
, After post 31 has been loosely secured to the wall 32 of form 26, as by means of thenut 38am! washer 39,
' f the base of assembly 28.
formed with an attachment device of a having I I female threads adapted to cooperate with the threaded for use. The interior ofthe plug serves further the purpose of readily releasing the precast body of concrete from its pouring form. Thus, when the product is ready for use, it is a simple matter tomerely drive a screwdriver into the plastic sleeve, 33 vand unscrew I claim:
l. A concrete pouring form accessory for providing an anchor insert element embedded in a concrete.
product comprising a support post adapted to be fixed to a pouring form to project inwardly of awall portion 3 bolts to be coupled thereto. when embedded in a.
concrete product, said anchor element being positioned onto said sleeve and having positive engagement portions inreadily releasable positive engagement with the first named said portions and formed with laterally protruding exteriorportions serving to develop a positive holding anchored engagement with concrete upon hardening of concrete submerging same, means preserving sufi'icient clearance axially and behind and detached from said sleeve and said post during placement of concrete submerging the post and sleeve to permit, after hardening o the concrete, the ready removal of the post .from said sleeve and the latter removal of the sleeve from the insert.
2. A concrete pouring form accesory for providing orly thereof and slidably positioned onto the distal end V of said post, an anchor element'of a typeadapted to receive and hold bolts to be threaded thereto when embedded in a concrete product, said anchor element being positioned onto said sleeve in readily releasable positive engagement therewith and formed with laterally protruding portions serving to develop a positive holding anchored engagement with concrete upon hardening of concrete submerging same, means preserving sufficient clearance axially behind and detached from said sleeve and said post during placement of concrete submerging the post and sleeve to permit, after hardening of the concrete, the ready
Claims (3)
1. A concrete pouring form accessory for providing an anchor insert element embedded in a concrete product comprising a support post adapted to be fixed to a pouring form to project inwardly of a wall portion of the form, a protective sleeve formed with radially outwardly extending positive engagement portions exteriorly thereof and a longitudinally smooth interior slidably positioned onto the distal end of said post, an anchor element of a type adapted to receive and hold bolts to be coupled thereto when embedded in a concrete product, said anchor element being positioned onto said sleeve and having positive engagement portions in readily releasable positive engagement with the first named said portions and formed with laterally protruding exterior portions serving to develop a positive holding anchored engagement with concrete upon hardening of concrete submerging same, means preserving sufficient clearance axially behind and detached from said sleeve and said post during placement of concrete submerging the post and sleeve to permit, after hardening of the concrete, the ready removal of the post from said sleeve and the latter removal of the sleeve from the insert.
2. A concrete pouring form accessory for providing an anchor insert embedded in a concrete product comprising a support post adapted to be carried by a pouring form to project inwardly of a wall portion of the form, a protective sleeve formed with threads exteriorly thereof and slidably positioned onto the distal end of said post, an anchor element of a type adapted to receive and hold bolts to be threaded thereto when embedded in a concrete product, said anchor element being positioned onto said sleeve in readily releasable positive engagement therewith and formed with laterally protruding portions serving to develop a positive holding anchored engagement with concrete upon hardening of concrete submerging same, means preserving sufficient clearance axially behind and detached from said sleeve and said post during placement of concrete submerging the post and sleeve to permit, after hardening of the concrete, the ready removal of the post from said sleeve and the latter removal of the sleeve from the insert.
3. A pouring form accessory according to claim 2 wherein the last named means comprises an annular resilient truncated cone element surrounding the post and adapted to be coated with an application of anti-bonding material to provide ready removal thereof from the hardened concrete product.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US71651668A | 1968-03-27 | 1968-03-27 | |
US8263870A | 1970-10-21 | 1970-10-21 | |
US26642972A | 1972-06-26 | 1972-06-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3685782A true US3685782A (en) | 1972-08-22 |
Family
ID=27374306
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US716516A Expired - Lifetime US3557274A (en) | 1968-03-27 | 1968-03-27 | Method for molding a concrete railroad tie |
US82638A Expired - Lifetime US3685782A (en) | 1968-03-27 | 1970-10-21 | Concrete pouring form accessory |
US00266429A Expired - Lifetime US3764066A (en) | 1968-03-27 | 1972-06-26 | Concrete railroad tie product |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US716516A Expired - Lifetime US3557274A (en) | 1968-03-27 | 1968-03-27 | Method for molding a concrete railroad tie |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00266429A Expired - Lifetime US3764066A (en) | 1968-03-27 | 1972-06-26 | Concrete railroad tie product |
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US (3) | US3557274A (en) |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
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US3889916A (en) * | 1973-03-26 | 1975-06-17 | Preco Ind Ltd | Plastic threaded insert for forming voids in concrete products |
DE3007149A1 (en) * | 1979-03-01 | 1980-09-11 | Perssons Cement | DEVICE ON MOLDING TOOLS |
EP0100771A1 (en) * | 1982-08-06 | 1984-02-22 | Wayss & Freytag Aktiengesellschaft | Tubbings for lining tunnels and shafts |
US4726561A (en) * | 1986-09-15 | 1988-02-23 | Worzala Jr Edward | Concrete insert apparatus |
US5061165A (en) * | 1990-11-06 | 1991-10-29 | Kelch Corporation | Molding tool |
AT395893B (en) * | 1990-01-10 | 1993-03-25 | Mayreder Kraus & Co Ing | FASTENING DEVICE FOR CONNECTING COMPONENTS |
US5716539A (en) * | 1995-10-12 | 1998-02-10 | Cxt Incorporated | Concrete railroad tie mold insert for rail fasteners |
US5904459A (en) * | 1997-06-03 | 1999-05-18 | Motorola Inc. | Fastener apparatus and system with self-setting torque and over-torque protection |
US6315077B1 (en) | 1998-08-20 | 2001-11-13 | M. A. Industries, Inc. | Insert forming hole to receive manhole step |
US6691975B1 (en) | 2001-07-13 | 2004-02-17 | Norman W. Gavin | Concrete tank seal cast |
US6789776B1 (en) | 2000-05-22 | 2004-09-14 | Norman W. Gavin | Cast-in anchor attachment apparatus |
US20050241263A1 (en) * | 2002-06-27 | 2005-11-03 | Van Rijn Robertus C M | Method for arranging engagement means in a concrete part |
US20060212033A1 (en) * | 2005-03-03 | 2006-09-21 | Accin Corporation | Vertebral stabilization using flexible rods |
US20070098518A1 (en) * | 2005-11-03 | 2007-05-03 | Falk Rosenkranz | Expansion anchor |
US20170203477A1 (en) * | 2016-01-14 | 2017-07-20 | Tennant Company | Thread forming apparatus and method for rotationally molded product |
US20170298617A1 (en) * | 2016-02-11 | 2017-10-19 | Cetres Holdings, Llc | Concrete anchor bodies and plugs |
US10384085B1 (en) * | 2016-06-17 | 2019-08-20 | Climb Tech, Llc | Concrete anchor point and method for constructing same |
US10458071B2 (en) * | 2014-01-21 | 2019-10-29 | Voestalpine Nortrak Inc. | Method of installing interface pad on concrete ties |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3685783A (en) * | 1970-05-21 | 1972-08-22 | Maule Ind Inc | Insert for embedded fittings |
US3863329A (en) * | 1972-12-19 | 1975-02-04 | Jamie S Bartlett | Method of making precast railroad tie and tie plate |
US3975489A (en) * | 1975-02-13 | 1976-08-17 | Mercer Roger W | Cast ejector |
USRE31476E (en) * | 1975-02-13 | 1983-12-27 | Cast ejector | |
US4023257A (en) * | 1976-01-21 | 1977-05-17 | Nl Industries, Inc. | Method of making a hollow article having a reinforced aperture |
US4203682A (en) * | 1978-07-10 | 1980-05-20 | Graphic Controls Corporation | Insert molded instrument marker pen with anchored stylus |
DE3167654D1 (en) * | 1980-12-24 | 1985-01-17 | Hemiksem Betonkonst Pvba | Method of manufacturing concrete railway ties and elements used for carrying it out |
EP0084581A1 (en) * | 1982-01-25 | 1983-08-03 | AIRCONTROL SYSTEMS, Inc. | Reinforced structural member and method of fabrication |
IT1149739B (en) * | 1982-02-04 | 1986-12-10 | Ind Prefabbricati Affini Ipa S | PROCEDURE AND EQUIPMENT FOR THE PREFABRICATION OF REINFORCED REINFORCED CONCRETE MANUFACTURES EQUIPPED WITH INSERTS, IN PARTICULAR FOR THE MANUFACTURE OF RAILROADS FOR RAILWAY USE |
DE3629030A1 (en) * | 1986-08-27 | 1988-04-14 | Wayss & Freytag Ag | DEVICE FOR FIXING TUBULAR INSTALLATION COMPONENTS |
US4749170A (en) * | 1986-11-17 | 1988-06-07 | Splice Sleeve Japan, Ltd. | Method of arranging a splice sleeve to receive reinforcing bars |
US5227112A (en) * | 1988-07-14 | 1993-07-13 | Wayss & Freytag Aktiengesellschaft | Method of making concrete switch cross ties |
US5085026A (en) * | 1990-11-20 | 1992-02-04 | Mcgill Scott A | Conical seismic anchor and drill bit for use with unreinforced masonry structures |
US20040265091A1 (en) * | 2003-06-30 | 2004-12-30 | Cheung Kwun-Wing W. | Universal bulkhead fitting |
WO2006011055A2 (en) * | 2004-07-26 | 2006-02-02 | Global Engineered Fasteners Pty Ltd | Attachment of components to composite materials |
US20090241460A1 (en) * | 2008-03-26 | 2009-10-01 | Charles Beaulieu | Fastening Device Template |
US9097001B2 (en) * | 2009-02-04 | 2015-08-04 | Thomas M. Espinosa | Concrete anchor |
US11365537B2 (en) | 2019-02-28 | 2022-06-21 | Barrco, Inc. | Adjustable fixtures for buried tubulars, forming tools for defining a hole in the adjustable fixtures, and methods of manufacturing the adjustable fixtures |
US11326321B2 (en) | 2020-02-28 | 2022-05-10 | Barrco, Inc. | Height-adjustable fixtures for buried tubulars and methods of adjusting the height-adjustable fixtures |
MX2023004735A (en) * | 2020-10-23 | 2023-07-17 | Abt Inc | Method and apparatus for forming a recessed rati, trench. |
GB2603106A (en) * | 2020-12-11 | 2022-08-03 | Nicholas Mills | Void former for reinforcing steel coupling devices |
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US2366401A (en) * | 1943-05-25 | 1945-01-02 | Ira G Haskell | Removable concrete insert plug |
US3305907A (en) * | 1964-02-11 | 1967-02-28 | American Concrete Crosstie Co | Machine for making prestressed concrete members |
US3418781A (en) * | 1967-01-12 | 1968-12-31 | Cleveland Trencher Co | Bolt anchor for concrete |
US3471118A (en) * | 1967-07-26 | 1969-10-07 | Dyckerhoff & Widmann Ag | Apparatus for holding threaded sleeves in the shell form for producing concrete rail ties |
US3577610A (en) * | 1968-04-16 | 1971-05-04 | Little Inc A | Apparatus for manufacturing prestressed concrete members |
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US2366401A (en) * | 1943-05-25 | 1945-01-02 | Ira G Haskell | Removable concrete insert plug |
US3305907A (en) * | 1964-02-11 | 1967-02-28 | American Concrete Crosstie Co | Machine for making prestressed concrete members |
US3418781A (en) * | 1967-01-12 | 1968-12-31 | Cleveland Trencher Co | Bolt anchor for concrete |
US3471118A (en) * | 1967-07-26 | 1969-10-07 | Dyckerhoff & Widmann Ag | Apparatus for holding threaded sleeves in the shell form for producing concrete rail ties |
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Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3889916A (en) * | 1973-03-26 | 1975-06-17 | Preco Ind Ltd | Plastic threaded insert for forming voids in concrete products |
DE3007149A1 (en) * | 1979-03-01 | 1980-09-11 | Perssons Cement | DEVICE ON MOLDING TOOLS |
US4365782A (en) * | 1979-03-01 | 1982-12-28 | Br. Perssons Cementvarufabrik Ab | Moulding tool |
EP0100771A1 (en) * | 1982-08-06 | 1984-02-22 | Wayss & Freytag Aktiengesellschaft | Tubbings for lining tunnels and shafts |
US4726561A (en) * | 1986-09-15 | 1988-02-23 | Worzala Jr Edward | Concrete insert apparatus |
AT395893B (en) * | 1990-01-10 | 1993-03-25 | Mayreder Kraus & Co Ing | FASTENING DEVICE FOR CONNECTING COMPONENTS |
US5061165A (en) * | 1990-11-06 | 1991-10-29 | Kelch Corporation | Molding tool |
US5716539A (en) * | 1995-10-12 | 1998-02-10 | Cxt Incorporated | Concrete railroad tie mold insert for rail fasteners |
US5904459A (en) * | 1997-06-03 | 1999-05-18 | Motorola Inc. | Fastener apparatus and system with self-setting torque and over-torque protection |
US6315077B1 (en) | 1998-08-20 | 2001-11-13 | M. A. Industries, Inc. | Insert forming hole to receive manhole step |
US6789776B1 (en) | 2000-05-22 | 2004-09-14 | Norman W. Gavin | Cast-in anchor attachment apparatus |
US7086652B1 (en) | 2001-07-13 | 2006-08-08 | The Peter Gavin Spray Trust | Molded seal |
US6691975B1 (en) | 2001-07-13 | 2004-02-17 | Norman W. Gavin | Concrete tank seal cast |
US20050241263A1 (en) * | 2002-06-27 | 2005-11-03 | Van Rijn Robertus C M | Method for arranging engagement means in a concrete part |
US8663527B2 (en) * | 2002-06-27 | 2014-03-04 | Connector Vinkeveen B.V. | Method for arranging engagement means in a concrete part |
US20060212033A1 (en) * | 2005-03-03 | 2006-09-21 | Accin Corporation | Vertebral stabilization using flexible rods |
US20070098518A1 (en) * | 2005-11-03 | 2007-05-03 | Falk Rosenkranz | Expansion anchor |
US10458071B2 (en) * | 2014-01-21 | 2019-10-29 | Voestalpine Nortrak Inc. | Method of installing interface pad on concrete ties |
US20170203477A1 (en) * | 2016-01-14 | 2017-07-20 | Tennant Company | Thread forming apparatus and method for rotationally molded product |
US11224998B2 (en) * | 2016-01-14 | 2022-01-18 | Tennant Company | Thread forming apparatus and method for rotationally molded product |
US20170298617A1 (en) * | 2016-02-11 | 2017-10-19 | Cetres Holdings, Llc | Concrete anchor bodies and plugs |
US10538910B2 (en) * | 2016-02-11 | 2020-01-21 | Cetres Holdings, Llc | Concrete anchor bodies and plugs |
US10781586B2 (en) | 2016-02-11 | 2020-09-22 | Cetres Holdings, Llc | Concrete anchor bodies and plugs |
US11692342B2 (en) | 2016-02-11 | 2023-07-04 | Cetres Holdings, Llc | Concrete anchor bodies and plugs |
US10384085B1 (en) * | 2016-06-17 | 2019-08-20 | Climb Tech, Llc | Concrete anchor point and method for constructing same |
Also Published As
Publication number | Publication date |
---|---|
US3557274A (en) | 1971-01-19 |
US3764066A (en) | 1973-10-09 |
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