US3315410A - Molded pulp container - Google Patents

Molded pulp container Download PDF

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Publication number
US3315410A
US3315410A US506223A US50622365A US3315410A US 3315410 A US3315410 A US 3315410A US 506223 A US506223 A US 506223A US 50622365 A US50622365 A US 50622365A US 3315410 A US3315410 A US 3315410A
Authority
US
United States
Prior art keywords
container
corner
planter
substantially flat
flat plane
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
Application number
US506223A
Other languages
English (en)
Inventor
Richard S French
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Keyes Fibre Corp
Original Assignee
Keyes Fibre Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Keyes Fibre Corp filed Critical Keyes Fibre Corp
Priority to US506223A priority Critical patent/US3315410A/en
Priority to GB46485/66A priority patent/GB1129010A/en
Priority to NL6615187A priority patent/NL6615187A/xx
Priority to DK565766AA priority patent/DK115737B/da
Priority to FR82136A priority patent/FR1498089A/fr
Priority to NO165428A priority patent/NO118194B/no
Application granted granted Critical
Publication of US3315410A publication Critical patent/US3315410A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
    • A01G9/021—Pots formed in one piece; Materials used therefor

Definitions

  • This invention relates to containers molded of fibrous pulp material, and more particularly to molded pulp containers adapted to hold moist plant growing earth.
  • Another object of the present invention is to provide a molded pulp planter which is constructed to assure adequate drainage of excess water from inside the planter.
  • Another object of the present invention is to provide a molded pulp planter which is constructed to allow outside air to circulate under and around the bottom of the planter to decrease its sogginess and maintain its strength.
  • Another object of the present invention is to provide a molded pulp planter which is constructed to insure stability when used in normal fashion.
  • a container molded of fibrous pulp material compn'ses a bottom having an upwardly and outwardly flaring side wall connected thereto to suitably hold plant potting material.
  • the connection between the bottom and the side wall forms a wide, sturdy support corner lying in a substantially flat plane which defines the lower extremity of the container.
  • At least one drainage aperture extends through a portion of the bottom which is spaced above the flat plane and maintained in the desired position by downwardly contoured supports.
  • Upwardly extending ribs form channels in the bottom which extend from the portion of the bottom spaced above the fiat plane to the periphery of the container where they form brief interruptions in the corner defining the lower extremity of the container.
  • the bottom of the molded fibrous pulp container is substantially conical and slopes upwardly from the circular peripheral corner to the raised portion through which the drainage aperture extends.
  • the downwardly contoured supports formed in the container bottom preferably comprise rib-like structures generally radially arranged with respect to the drainage aperture to efliciently support the aperture-containing bottom portion above the fiat plane defining the lower extremity of the container.
  • the upwardly extending channels in the container bottom are also radially arranged with respect to the drainage aperture to thereby provide a plurality of highly eificient passageways serving dual ventilation and drainage purposes.
  • FIG. 1 is a top plan view of a container according to this invention.
  • FIG. 2 is a bottom plan view of the container shown in FIG. 1;
  • FIG. 3 is an elevational view of the container of this invention with a second container nested therein;
  • FIG. 4 is a cross-sectional elevational view on line 44 of FIG. 1.
  • the molded pulp container illustrated may be formed as a unitary structure manufactured according to known pulp slurry deposition processes to provide a molded flowerpot or planter 10 of generally uniform thickness throughout.
  • the configuration of the preferred embodiment includes an essentially circular bottom 12 having an outer peripheral portion 14 to which an upwardly and outwardly flaring surrounding side wall 16 is connected.
  • the side wall 16 includes a first inclined section 18 and a second inclined section 20 secured to the first section 18 by an annular, outwardly directed shoulder portion 22.
  • the upper end of the second section 20 may be provided with an outwardly flaring marginal rim 24.
  • articles having inclined side Walls are particularly adapted for nested stacking. Articles molded of pulp however, have a tendency to cling or adhere to one another in a highly unsatisfactory manner which makes it extremely diflicult to remove or de-nest these articles from such a stack without tearing or mutilating the articles.
  • FIG. 3 illustrates the planter 10 with a second planter 10' nested therein.
  • the extent to which the upper planter 10' nests within the planter 10 is controlled by the upper portion of the wall 20 adjacent the marginal rim 24 of planter 10 abutting the annular shoulder portion 22' of planter 10.
  • the end planter may be conveniently removed or denested since the entire side wall 16 is not in frictional jamming contact with the side wall of the adjacent planter.
  • the circular bottom 12 comprises a substantially conical portion 26 connected at its inner end to a substantially flat horizontal portion 28 spaced above a flat support surface 30 upon which the planter rests.
  • the side wall 16 of the planter 10 is connected to the outer peripheral portion 14 of the circular bottom 12.
  • the peripheral portion 14 forms the outer end of the conical portion 26, and the connection between the side wall 16 and the peripheral portion 14 of the bottom 12 forms a corner 32 lying in a substantially flat plane which defines the lower extremity of the planter or flower pot 10.
  • the corner 32 provides strong, essentially continuous structure to insure wide base support for the container.
  • the horizontal portion 28 of the circular bottom 12 is provided with at least one centrally located drainage aperture 34 which connects the interior of the planter to the air circulating beneath the bottom 12 in a manner more fully explained below.
  • the drainage aperture 34 forms an opening in the circular bottom 12 to allow excess water within the planter to escape or drain through in a manner which minimizes the amount of moisture absorbed by the material of the planter itself.
  • the conical portion 26 of the circular bottom 12 includes a plurality of upwardly contoured straight chan nels 36 connected to extend from the flat horizontal porton 28 to the peripheral portion 14. As shown in FIGS. 1 and 2, the contoured channels 36 are generally radially arranged with respect to the drainage aperture 34, and the outer end of each channel forms a brief interruption 38 in the corner 32 which defines the lower extremity of the planter.
  • the radially arranged, upwardly contoured channels 36 function to provide several important features of the present invention.
  • the rib-like configuration of these channels enables them to function as highly satisfactory reinforcing elements for the circular bottom 12.
  • the channels 36 provide the bottom 12 with assageways extending from the drainage aperture 34 to the brief interruptions 38 in the corner 32.
  • the arrangement and configuration of the channels 36 causes excess water draining from the planter to travel along the channels and through the interruptions, rather than remain underneath the bottom where such Water would be absorbed by the molded pulp.
  • the channels 36 connect the circular bottom 12 with the outside air to allow the air to circulate under the bottom to decrease its sogginess and thereby maintain its strength at a desired maximum value.
  • the circular bottom 12 of the planter 10 also includes a plurality of downwardly contoured supports 40, which extend from adjacent the drainage aperture 34 to the corner 32 defining the lower extremity of the planter.
  • the downwardly contoured supports 40 serve to maintain the aperture-containing horizontal bottom portion 28 spaced above the support surface 30.
  • the supports 40 are in the preferred embodiment formed by straight, rib-like depression structures generally radially arranged with respect to the drainage aperture 34 of the planter, although it will be appreciated that other shapes of downwardly contoured supports could readily be employed.
  • the preferred embodiment of this invention presents a highly dependable and economical planter molded of fibrous pulp material.
  • the drainage aperture in the conical bottom is spaced above the impervious supporting surface and the radially arranged upwardly contoured channels provide passageways to assure drainage of excess water from the inside of the planter. Such an arrangement prevents the bottom from becoming extremely soggy which might otherwise occur if the bottom were in direct contact with the supporting surface.
  • the channels allow outside air to circulate under the conical bottom to prevent sogginess and thus insure strength retention and resistance to decay.
  • the drainage aperture is maintained properly spaced above the supporting surface by the radially arranged downwardly contoured supports. These supports strengthen the conical bottom and maintain the aperture above the supporting surface in the event that the bottom should become soggy.
  • a container molded of fibrous pulp material comprising a bottom having an upwardly and outwardly flaring side wall connected around the periphery of the bottom, the connection between the bottom and the side wall forming a corner lying in a substantially flat plane defining the lower extremity of the container for supporting it on a surface, the bottom including a horizontal center portion spaced above the substantially flat plane and a conical portion that extends upwardly from the corner to the horizontal center portion, a drainage aperture extending through the horizontal center portion of the bottom, downwardly contoured support means formed in the conical portion of the bottom to extend from adjacent the aperture, the lower extremity of the support means lying along its entire length in the substantially flat plane to maintain the aperture spaced above the substantially flat plane, upwardly contoured channel means formed in the conical portion of the bottom to extend from the horizontal center portion of the bottom to the corner, the channel means being spaced from the support means and forming a brief interruption in the corner defining the lower extremity of the container.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
US506223A 1965-11-03 1965-11-03 Molded pulp container Expired - Lifetime US3315410A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US506223A US3315410A (en) 1965-11-03 1965-11-03 Molded pulp container
GB46485/66A GB1129010A (en) 1965-11-03 1966-10-18 Molded pulp container
NL6615187A NL6615187A (ja) 1965-11-03 1966-10-27
DK565766AA DK115737B (da) 1965-11-03 1966-10-31 Støbt urtepotteskjuler.
FR82136A FR1498089A (fr) 1965-11-03 1966-11-02 Récipient en matière fibreuse moulée
NO165428A NO118194B (ja) 1965-11-03 1966-11-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US506223A US3315410A (en) 1965-11-03 1965-11-03 Molded pulp container

Publications (1)

Publication Number Publication Date
US3315410A true US3315410A (en) 1967-04-25

Family

ID=24013695

Family Applications (1)

Application Number Title Priority Date Filing Date
US506223A Expired - Lifetime US3315410A (en) 1965-11-03 1965-11-03 Molded pulp container

Country Status (5)

Country Link
US (1) US3315410A (ja)
DK (1) DK115737B (ja)
GB (1) GB1129010A (ja)
NL (1) NL6615187A (ja)
NO (1) NO118194B (ja)

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3785088A (en) * 1973-02-26 1974-01-15 T Guarriello Nursery pot
US3800469A (en) * 1972-07-17 1974-04-02 Plastics T Inc Flower pot
US4173097A (en) * 1977-09-14 1979-11-06 Staby George L Container with raised indentations for aeration and drainage
US4242834A (en) * 1979-10-19 1981-01-06 Illinois Tool Works Inc. Nestable and stackable transplanting system
US4296569A (en) * 1979-10-22 1981-10-27 Illinois Tool Works Inc. Nestable and stackable transplanting system
US4715144A (en) * 1986-03-07 1987-12-29 Zarn, Inc. Plant container with concavoconvex ribs
US4926586A (en) * 1986-10-23 1990-05-22 Mutuo Nagamatsu Box for cultivating plant
US5010687A (en) * 1984-05-23 1991-04-30 Os Plastic A/S Flowerpot
US5044119A (en) * 1987-09-21 1991-09-03 Erling Hougard Flowerpot bowl
US5347753A (en) * 1991-02-08 1994-09-20 Keyes Fiber Co. Degradation resistant molded pulp horticultural container
DE19515607A1 (de) * 1995-04-28 1996-10-31 Johannes Prof Dr Rer N Gartzen Verfahren zur Herstellung von Pflanz- oder Blumentöpfen
US5983566A (en) * 1997-11-06 1999-11-16 Enderlein; Jorg Container for growing and transplanting flowers and plants
US6134832A (en) * 1999-04-27 2000-10-24 Landmark Plastic Corporation Nest and stack plant pot
WO2002082885A1 (en) * 2001-04-13 2002-10-24 Deroma, S.P.A. Box-type pot made of fired clay and similar materials for optimized stackings
US20050005516A1 (en) * 2001-11-26 2005-01-13 Guido Schmidt Plastic plant pot
US20050166455A1 (en) * 2004-01-30 2005-08-04 Junji Nishida Plant pot
US20050188612A1 (en) * 2003-07-07 2005-09-01 Theuer Michael V. Plant pot that fertilizes when it biodegrades
WO2008119788A1 (de) * 2007-03-29 2008-10-09 Siegfried Liedtke Pflanzsystem
US20090025290A1 (en) * 2007-07-25 2009-01-29 Ball Horticultural Company Bottomless plant container
US20130133254A1 (en) * 2011-11-30 2013-05-30 Western Pulp Products Company Molded fiber hanging basket system
US20130269250A1 (en) * 2012-04-13 2013-10-17 Ames True Temper, Inc. Nesting planter
US8672132B2 (en) * 2011-11-30 2014-03-18 Tekni-Plex, Inc. Packing tray with built-in drainage and method of manufacture
USD853273S1 (en) * 2018-02-08 2019-07-09 In The Black Revocable Trust Planter
USD853274S1 (en) * 2018-02-08 2019-07-09 In The Black Revocable Trust Planter
US11072483B2 (en) 2017-02-23 2021-07-27 Vericool, Inc. Thermally insulating packaging
US11142371B2 (en) 2017-02-23 2021-10-12 Vericool, Inc. Recyclable insulated stackable tray for cold wet materials
US11304379B2 (en) * 2019-02-15 2022-04-19 Sao Labs' Llc Plant growing assembly
USD1029954S1 (en) * 2021-06-23 2024-06-04 Yong Seok Seo Cup block toy

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103733910B (zh) * 2014-01-28 2015-05-06 胡博尧 一种储水防涝花盆

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3009603A (en) * 1958-06-16 1961-11-21 Illinois Tool Works Plastic flower pot
US3027684A (en) * 1958-11-10 1962-04-03 Keiding Paper Products Company Plant receptacle having improved drainage means

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3009603A (en) * 1958-06-16 1961-11-21 Illinois Tool Works Plastic flower pot
US3027684A (en) * 1958-11-10 1962-04-03 Keiding Paper Products Company Plant receptacle having improved drainage means

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3800469A (en) * 1972-07-17 1974-04-02 Plastics T Inc Flower pot
US3785088A (en) * 1973-02-26 1974-01-15 T Guarriello Nursery pot
US4173097A (en) * 1977-09-14 1979-11-06 Staby George L Container with raised indentations for aeration and drainage
US4242834A (en) * 1979-10-19 1981-01-06 Illinois Tool Works Inc. Nestable and stackable transplanting system
US4296569A (en) * 1979-10-22 1981-10-27 Illinois Tool Works Inc. Nestable and stackable transplanting system
US5010687A (en) * 1984-05-23 1991-04-30 Os Plastic A/S Flowerpot
US4715144A (en) * 1986-03-07 1987-12-29 Zarn, Inc. Plant container with concavoconvex ribs
US4926586A (en) * 1986-10-23 1990-05-22 Mutuo Nagamatsu Box for cultivating plant
US5044119A (en) * 1987-09-21 1991-09-03 Erling Hougard Flowerpot bowl
US5347753A (en) * 1991-02-08 1994-09-20 Keyes Fiber Co. Degradation resistant molded pulp horticultural container
DE19515607A1 (de) * 1995-04-28 1996-10-31 Johannes Prof Dr Rer N Gartzen Verfahren zur Herstellung von Pflanz- oder Blumentöpfen
US5983566A (en) * 1997-11-06 1999-11-16 Enderlein; Jorg Container for growing and transplanting flowers and plants
US6134832A (en) * 1999-04-27 2000-10-24 Landmark Plastic Corporation Nest and stack plant pot
WO2002082885A1 (en) * 2001-04-13 2002-10-24 Deroma, S.P.A. Box-type pot made of fired clay and similar materials for optimized stackings
US20050005516A1 (en) * 2001-11-26 2005-01-13 Guido Schmidt Plastic plant pot
US7624535B2 (en) * 2001-11-26 2009-12-01 Gebr. Poeppelmann Kunststoffwerk- Wekzeugbau Plastic plant pot
US20050188612A1 (en) * 2003-07-07 2005-09-01 Theuer Michael V. Plant pot that fertilizes when it biodegrades
US20050166455A1 (en) * 2004-01-30 2005-08-04 Junji Nishida Plant pot
WO2008119788A1 (de) * 2007-03-29 2008-10-09 Siegfried Liedtke Pflanzsystem
US20090025290A1 (en) * 2007-07-25 2009-01-29 Ball Horticultural Company Bottomless plant container
US8672132B2 (en) * 2011-11-30 2014-03-18 Tekni-Plex, Inc. Packing tray with built-in drainage and method of manufacture
US20130133254A1 (en) * 2011-11-30 2013-05-30 Western Pulp Products Company Molded fiber hanging basket system
US20130269250A1 (en) * 2012-04-13 2013-10-17 Ames True Temper, Inc. Nesting planter
US11072483B2 (en) 2017-02-23 2021-07-27 Vericool, Inc. Thermally insulating packaging
US11142371B2 (en) 2017-02-23 2021-10-12 Vericool, Inc. Recyclable insulated stackable tray for cold wet materials
USD853273S1 (en) * 2018-02-08 2019-07-09 In The Black Revocable Trust Planter
USD853274S1 (en) * 2018-02-08 2019-07-09 In The Black Revocable Trust Planter
US11304379B2 (en) * 2019-02-15 2022-04-19 Sao Labs' Llc Plant growing assembly
USD1029954S1 (en) * 2021-06-23 2024-06-04 Yong Seok Seo Cup block toy

Also Published As

Publication number Publication date
GB1129010A (en) 1968-10-02
DK115737B (da) 1969-11-03
NO118194B (ja) 1969-11-24
NL6615187A (ja) 1967-05-05

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