Please select the most similar patent number from A, B, C and D. Which number is?
A filling object. The filling object is provided with covering cloth (1), lining cloth (2) and a filling material. The filling material is made of long fiber cotton (3). The filling material and the lining cloth (2) are integrally formed, and the covering cloth (1) and the lining cloth (2) are integrally formed. The covering cloth (1) and the filling material are indirectly connected by means of the lining cloth (2). The filling object can improve performance of resisting again down leakage, and alleviate the problems of deviation and caking of the filling material after being washing. In addition, the fluffy performance of the filling material is good, the filling material has the feature of having a light weight and keeping warm, and provides the style of softness and smoothness for hand feeling, and has good performance of sustaining machine washing, and can be used to replace eiderdown filling products.
A: A device for spreading a filler material on a bevel comprises: a storage compartment (1); a spreading mechanism (2); and a control mechanism (4). The storage compartment (1) is used to store a filler material. The storage compartment (1) comprises a top cover (13), a bottom plate, a front side plate (11), and a rear side plate (12). A discharge outlet is arranged at the bottom plate for the filler material to pass through. The spreading mechanism (2) is used to spread out the filler material. The control mechanism (4) is used to control opening and closing of the discharge outlet. A moving mechanism (3) is used to move the spreading mechanism. The moving mechanism (3) is provided at the bottom plate. The device of the present invention can improve efficiency of spreading a filler material, such that spreading quality of the filler material on a bevel is increased, thereby increasing welding quality, reducing labor intensity, and reducing production costs.
B: Disclosed are an injection filling material and a preparation process. The filling material comprises the following raw materials in terms of percentage by mass: 0.1-2% of sodium hyaluronate, 1-30% of polyester microspheres, 0.1-5% of silk fibroin, 0.01-1% of recombinant type III collagen, with the balance being a dispersion liquid. The polyester material is artificially synthesized; the sodium hyaluronate and recombinant protein are prepared by means of a fermentation method; the silk fibroin is extracted from secretions of mulberry silkworms instead of animal tissues, and compared with collagen extracted from animal tissues, a decellularized matrix is biologically safer; and the added polyester microspheres can produce a sustained-release effect on a system, prolong the duration of validity of the filling material, and the filling material lasts longer compared to a single-component material. The filling material comprises type I collagen (silk fibroin), type III collagen (recombinant protein) and a carbohydrate nutrient substance (hyaluronic acid), which are required for tissue production, and can provide a complete external environment for tissue production.
C: Provided are a filling body and the use thereof. The filling body comprises a surface fabric, a lining fabric and a filling material between the surface fabric and the lining fabric, wherein the ventilation capacity of the lining fabric is between 10.0 cm 3 /cm 2 /s and 200 cm 3 /cm 2 /s, and the filling material is a continuous fibre filling cotton with a core-sheath structure, wherein same at least comprises dacron continuous fibres. The filling body has the characteristics of a light weight, heat preservation and breathability, and also has an enhanced laundering durability and motion followability, while maintaining the original comfort.
D: Disclosed is an inner rib structure for a maintenance wallboard. The inner rib structure comprises an inner rib structure plate body. Multiple through holes are formed in the inner rib structure plate body and used for inorganic material fillers on the two sides to pass through the inner rib structure and solidify to form a whole when the maintenance wallboard is manufactured. The inner rib structure plate body is a plastic steel plate, and a built-in cavity structure is provided on the plate body portion, without providing the through holes, on the plastic steel plate. When the inner rib structure provided in the present invention is utilized to manufacture the maintenance wallboard, the fluid inorganic filling materials on the two sides can pass through the through holes in the inner rib structure and solidify to form a whole. Even though the middle inner rib structure melts at a high temperature, due to the fact that inorganic filling material plates on the two sides solidify to form a whole, the inorganic filling material plates on the two sides are still complete and cannot be separated, and the maintenance wallboard cannot collapse. Due to the design of the built-in cavity structure, the consumption of the inorganic filling materials on the two sides can be reduced, the weight of the whole maintenance wallboard is reduced, and the structural strength of the whole maintenance wallboard is enhanced.
Answer: C