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Class Information
Number: 249/145
Name: Static molds > Container-type molding device > And an inner removable core to form recess or opening > Having inner and outer shells forming conduit-type product, receptacle-type product, or module > Plural intersecting cores to produce product having intersecting passages
Description: Apparatus having plural removable cores which intersect to form intersecting passage in the product.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6740281 |
Three-dimensional articles of indeterminate axial length |
May. 25, 2004 |
| 6610240 |
Method of injection molding jointed linkage support |
Aug. 26, 2003 |
| 6399006 |
Process and apparatus for molding polymer sweep fittings |
Jun. 4, 2002 |
| 6379142 |
Apparatus for manufacture of a tip for liquid drop dispensing container |
Apr. 30, 2002 |
| 6339882 |
Flush valve |
Jan. 22, 2002 |
| 5660758 |
Mold apparatus for manufacturing a plastic article with interrupted interior threads for securing a heat sink to a heat generating member |
Aug. 26, 1997 |
| 5656227 |
Method of making a one-piece trigger sprayer housing |
Aug. 12, 1997 |
| 5540411 |
Invert former for manhole base section |
Jul. 30, 1996 |
| 5474119 |
Method of and mold for casting a combined engine block and cylinder head for a twin piston engine |
Dec. 12, 1995 |
| 5470522 |
Method of molding Y-adapter with a sideport radius |
Nov. 28, 1995 |
| 5413307 |
Precast manhole invert forming |
May. 9, 1995 |
| 5328294 |
Manhole casting setting fixture |
Jul. 12, 1994 |
| 5264177 |
Method of making paint roller bearings |
Nov. 23, 1993 |
| 5223202 |
Method for making corrosion and abrasion resistant knife gate and other valve types |
Jun. 29, 1993 |
| 5217671 |
Method of making a tubular body |
Jun. 8, 1993 |
| 5167898 |
Injection mold assembly and method for manufacturing a plastic tub with holes |
Dec. 1, 1992 |
| 5139721 |
Method and apparatus for forming a precast curb system |
Aug. 18, 1992 |
| 5114657 |
Integrally molded cross-flow fan and method of making the same by radially withdrawing gap-forming molds |
May. 19, 1992 |
| 5108282 |
Biaxial concrete masonry casting apparatus |
Apr. 28, 1992 |
| 5108281 |
Biaxial concrete masonry casting apparatus |
Apr. 28, 1992 |
| 5104606 |
Method of molding a one-piece measuring and dispensing apparatus |
Apr. 14, 1992 |
| 5102607 |
Method for molding products with undercut regions |
Apr. 7, 1992 |
| 5041256 |
Method for forming corrugated plastic pipe connector |
Aug. 20, 1991 |
| 4998706 |
Vane core assembly for use in making centrifugal elastomer coated impellers |
Mar. 12, 1991 |
| 4986942 |
Method for forming ported cylinder sleeve liner foam pattern |
Jan. 22, 1991 |
| 4941643 |
Apparatus for forming inverts and manhole assemblies and the like utilizing adjustable invert forming members joined with an intermediate flexible portion |
Jul. 17, 1990 |
| 4938909 |
Flash-free molding of I.C. engine passages |
Jul. 3, 1990 |
| 4919189 |
Method of forming as-cast holes by using cores, and apparatus for practicing the method |
Apr. 24, 1990 |
| 4909717 |
Biaxial concrete masonry casting apparatus |
Mar. 20, 1990 |
| 4884622 |
Mould for moulding of a foundry pattern and process for putting it into practice |
Dec. 5, 1989 |
| 4872637 |
Die member for forming a lost foam pattern |
Oct. 10, 1989 |
| 4867411 |
Manhole invert casting system |
Sep. 19, 1989 |
| 4867412 |
Apparatus for the production by powder metallurgy of a section of a header pipe of a heat exchanger |
Sep. 19, 1989 |
| 4854543 |
Apparatus for forming an opening with a gasket in a masonry manhole |
Aug. 8, 1989 |
| 4844403 |
Reusable form for storm sewer collection box inlets |
Jul. 4, 1989 |
| 4832307 |
Injection mold |
May. 23, 1989 |
| 4828217 |
Molding apparatus for production of concrete box-units |
May. 9, 1989 |
| 4768747 |
Slide clip |
Sep. 6, 1988 |
| 4740344 |
Method for the production of heat and/or fluid exchangers that contain tubes |
Apr. 26, 1988 |
| 4706928 |
Vane cone assembly for use in making centrifugal elastomeric coated impellers |
Nov. 17, 1987 |
| 4703957 |
Miniature tube fitting having a barbed stem portion surrounded by a protective shroud and method for making same |
Nov. 3, 1987 |
| 4695031 |
Gang form |
Sep. 22, 1987 |
| 4690368 |
Apparatus for hollow concrete wall construction |
Sep. 1, 1987 |
| 4685650 |
Apparatus for forming inverts and manhole assemblies |
Aug. 11, 1987 |
| 4659057 |
Tilt up concrete wall panel system |
Apr. 21, 1987 |
| 4650149 |
Mold assembly for installing a gasket in the peripheral wall of an opening in a wall |
Mar. 17, 1987 |
| 4647419 |
Method and apparatus for producing a flash free pipette |
Mar. 3, 1987 |
| 4641993 |
Highway barrier with level internal ducts and construction method |
Feb. 10, 1987 |
| 4637585 |
Reusable concrete curb inlet form |
Jan. 20, 1987 |
| 4589623 |
Mold for producing T-shaped rubber hoses |
May. 20, 1986 |
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